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Treatment Tracker

PATHOLOGY AND LABORATORY

Magnesium level

Service Code: 83735, Service Type: Medical

Total Paid

$23,928,232

Total Times Performed (or Units)

2,673,719

Rank Among All Services

135

Includes both office and facility visits.

Services by State

Below are the states in which this service was billed. Click a state for top providers there.


Times Performed State
326,119 California
226,439 New Jersey
218,057 Florida
211,222 Texas
173,266 North Carolina
162,511 New York
115,077 Illinois
99,340 Michigan
94,432 Alabama
93,186 Ohio
91,236 Pennsylvania
83,758 Tennessee
71,351 Arizona
58,733 Georgia
48,994 Kansas
43,737 South Carolina
41,468 Missouri
39,169 Massachusetts
35,809 Maryland
34,250 Indiana
31,320 Virginia
30,037 Washington
27,454 Oklahoma
24,894 Wisconsin
23,606 Arkansas
23,159 Connecticut
19,826 Colorado
18,657 Louisiana
18,132 Kentucky
15,240 Nevada
14,936 Nebraska
14,237 Mississippi
14,049 Oregon
11,089 Minnesota
10,298 West Virginia
9,809 Iowa
7,714 Hawaii
6,722 New Mexico
5,663 Rhode Island
3,922 Maine
3,863 South Dakota
3,255 Utah
3,002 Idaho
2,991 North Dakota
1,149 Montana
704 Washington, DC
651 Wyoming
595 Guam
490 Vermont
342 Puerto Rico
215 New Hampshire
210 Virgin Islands
159 Delaware
24 Alaska

Top Providers

Below are the top 30 providers who performed this service most often. A provider’s name may appear twice on this list if he/she performs this service in both an office setting and in a facility. Medicare reimburses differently based on place of service and breaks the data out accordingly. Sorting is limited to the top 30 overall providers.


Provider Name Times Performed (or Units) % of Patients Unique Visits Per Patient
LABORATORY CORPORATION OF AMERICA HOLDINGS

BURLINGTON, N.C. 27215

Laboratories, Clinical Medical Laboratory

5%

of this provider's 1,352,762 patients got this service
94,138

Performed in an office

5%

of this provider's 1,352,762 patients got this service
1.5
LABORATORY CORPORATION OF AMERICA HOLDINGS

RARITAN, N.J. 08869

Laboratories, Clinical Medical Laboratory

5%

of this provider's 732,585 patients got this service
63,248

Performed in an office

5%

of this provider's 732,585 patients got this service
1.7
SOLSTAS LAB PARTNERS GROUP, LLC

GREENSBORO, N.C. 27410

Laboratories, Clinical Medical Laboratory

5%

of this provider's 676,394 patients got this service
48,991

Performed in an office

5%

of this provider's 676,394 patients got this service
1.6
LABORATORY CORPORATION OF AMERICA HOLDINGS

BIRMINGHAM, Ala. 35233

Laboratories, Clinical Medical Laboratory

5%

of this provider's 659,192 patients got this service
47,160

Performed in an office

5%

of this provider's 659,192 patients got this service
1.5
QUEST DIAGNOSTICS INCORPORATED

TETERBORO, N.J. 07608

Laboratories, Clinical Medical Laboratory

6%

of this provider's 491,392 patients got this service
46,864

Performed in an office

6%

of this provider's 491,392 patients got this service
1.6
LABORATORY CORPORATION OF AMERICA HOLDINGS

DUBLIN, Ohio 43016

Laboratories, Clinical Medical Laboratory

5%

of this provider's 622,629 patients got this service
40,958

Performed in an office

5%

of this provider's 622,629 patients got this service
1.4
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TAMPA, Fla. 33617

Laboratories, Clinical Medical Laboratory

4%

of this provider's 642,742 patients got this service
38,834

Performed in an office

4%

of this provider's 642,742 patients got this service
1.7
UNILAB CORPORATION

WEST HILLS, Calif. 91304

Laboratories, Clinical Medical Laboratory

5%

of this provider's 429,843 patients got this service
37,252

Performed in an office

5%

of this provider's 429,843 patients got this service
1.7
VPA PC

TROY, Mich. 48084

Laboratories, Clinical Medical Laboratory

50%

of this provider's 37,765 patients got this service
34,861

Performed in an office

50%

of this provider's 37,765 patients got this service
1.8
SONORA QUEST LABORATORIES, LLC.

TEMPE, Ariz. 85281

Laboratories, Clinical Medical Laboratory

6%

of this provider's 291,205 patients got this service
31,133

Performed in an office

6%

of this provider's 291,205 patients got this service
1.9
LITHOLINK CORPORATION

CHICAGO, Ill. 60612

Laboratories, Clinical Medical Laboratory

100%

of this provider's 21,422 patients got this service
30,440

Performed in an office

100%

of this provider's 21,422 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA

SAN DIEGO, Calif. 92128

Laboratories, Clinical Medical Laboratory

5%

of this provider's 395,446 patients got this service
29,926

Performed in an office

5%

of this provider's 395,446 patients got this service
1.6
BIO-REFERENCE LABORATORIES, INC.

ELMWOOD PARK, N.J. 07407

Laboratories, Clinical Medical Laboratory

4%

of this provider's 356,827 patients got this service
29,821

Performed in an office

4%

of this provider's 356,827 patients got this service
2
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HORSHAM, Pa. 19044

Laboratories, Clinical Medical Laboratory

5%

of this provider's 374,505 patients got this service
29,253

Performed in an office

5%

of this provider's 374,505 patients got this service
1.6
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TUCKER, Ga. 30084

Laboratories, Clinical Medical Laboratory

4%

of this provider's 539,114 patients got this service
27,359

Performed in an office

4%

of this provider's 539,114 patients got this service
1.3
LABONE INC

LENEXA, Kan. 66219

Laboratories, Clinical Medical Laboratory

4%

of this provider's 350,049 patients got this service
25,716

Performed in an office

4%

of this provider's 350,049 patients got this service
1.7
LABORATORY CORPORATION OF AMERICA

DALLAS, Tex. 75230

Laboratories, Clinical Medical Laboratory

4%

of this provider's 439,953 patients got this service
25,350

Performed in an office

4%

of this provider's 439,953 patients got this service
1.4
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

IRVING, Tex. 75063

Laboratories, Clinical Medical Laboratory

4%

of this provider's 382,944 patients got this service
23,327

Performed in an office

4%

of this provider's 382,944 patients got this service
1.5
LABORATORY CORPORATION OF AMERICA

TAMPA, Fla. 33607

Laboratories, Clinical Medical Laboratory

3%

of this provider's 425,838 patients got this service
23,122

Performed in an office

3%

of this provider's 425,838 patients got this service
1.6
ATHEROTECH, INC.

BIRMINGHAM, Ala. 35211

Laboratories, Clinical Medical Laboratory

17%

of this provider's 106,924 patients got this service
22,851

Performed in an office

17%

of this provider's 106,924 patients got this service
1.2
CLINICAL PATHOLOGY LABORATORIES, INC.

AUSTIN, Tex. 78754

Laboratories, Clinical Medical Laboratory

3%

of this provider's 460,280 patients got this service
22,241

Performed in an office

3%

of this provider's 460,280 patients got this service
1.5
UNILAB CORPORATION

SACRAMENTO, Calif. 95834

Laboratories, Clinical Medical Laboratory

4%

of this provider's 269,336 patients got this service
22,167

Performed in an office

4%

of this provider's 269,336 patients got this service
2
QUEST DIAGNOSTICS INCORPORATED MD

BALTIMORE, Md. 21227

Laboratories, Clinical Medical Laboratory

4%

of this provider's 282,697 patients got this service
20,667

Performed in an office

4%

of this provider's 282,697 patients got this service
1.7
QUEST DIAGNOSTICS INCORPORATED MI

AUBURN HILLS, Mich. 48326

Laboratories, Clinical Medical Laboratory

6%

of this provider's 214,769 patients got this service
19,887

Performed in an office

6%

of this provider's 214,769 patients got this service
1.5
LABORATORY CORPORATION OF AMERICA

HOUSTON, Tex. 77040

Laboratories, Clinical Medical Laboratory

4%

of this provider's 268,737 patients got this service
19,710

Performed in an office

4%

of this provider's 268,737 patients got this service
1.8
MEMPHIS PATHOLOGY LABORATORY

MEMPHIS, Tenn. 38134

Laboratories, Clinical Medical Laboratory

6%

of this provider's 197,774 patients got this service
18,861

Performed in an office

6%

of this provider's 197,774 patients got this service
1.7
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HOUSTON, Tex. 77072

Laboratories, Clinical Medical Laboratory

5%

of this provider's 217,405 patients got this service
18,073

Performed in an office

5%

of this provider's 217,405 patients got this service
1.6
LABORATORY CORPORATION OF AMERICA

PHOENIX, Ariz. 85040

Laboratories, Clinical Medical Laboratory

4%

of this provider's 264,621 patients got this service
17,504

Performed in an office

4%

of this provider's 264,621 patients got this service
1.6
QUEST DIAGNOSTICS LLC IL

WOOD DALE, Ill. 60191

Laboratories, Clinical Medical Laboratory

4%

of this provider's 269,433 patients got this service
15,362

Performed in an office

4%

of this provider's 269,433 patients got this service
1.5
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

MIRAMAR, Fla. 33025

Laboratories, Clinical Medical Laboratory

4%

of this provider's 233,281 patients got this service
15,317

Performed in an office

4%

of this provider's 233,281 patients got this service
1.5

Sources: Centers for Medicare and Medicaid Services, National Plan and Provider Enumeration System, American Medical Association

Services that begin with a letter come from CMS. All other codes and descriptions of the medical procedures are from the Current Procedural Terminology (CPT®) code set, copyright 2013 American Medical Association. All rights reserved. Where practical, AMA’s consumer friendly translation of the CPT descriptor was used. ProPublica has received permission from the AMA to use these codes on this site.

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