Treatment Tracker

The Doctors and Services in Medicare Part B

PATHOLOGY AND LABORATORY

Measurement of substance using immunoassay technique

Service Code: 83520, Service Type: Medical

Total Paid

$6,416.44

Total Times Performed (or Units)

567,198

Rank Among All Services

389

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
239,801 California
69,739 Virginia
46,197 New Jersey
43,239 North Carolina
35,726 Texas
24,518 New York
16,337 Florida
9,643 Wisconsin
9,006 Alabama
7,911 Massachusetts
7,251 Georgia
4,573 Ohio
4,300 South Carolina
4,140 Colorado
3,813 Missouri
3,738 Illinois
3,578 Connecticut
3,488 Pennsylvania
3,355 Tennessee
2,944 Arizona
2,621 Kansas
2,517 Hawaii
2,391 Nevada
2,179 Minnesota
1,869 Washington
1,739 Maryland
1,280 Oklahoma
1,223 Oregon
1,202 Michigan
1,185 Nebraska
1,061 Maine
934 Utah
813 Indiana
717 Wyoming
652 New Mexico
473 Iowa
336 South Dakota
218 Arkansas
185 Kentucky
104 Louisiana
88 Rhode Island
22 North Dakota

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
SINGULEX INC

ALAMEDA, Calif. 94502

Laboratories, Clinical Medical Laboratory

82%

of this provider's 29,783 patients got this service
157,086

Performed in an office

82%

of this provider's 29,783 patients got this service
1.4
HEALTH DIAGNOSTIC LABORATORY, INCORPORATED

RICHMOND, Va. 23219

Laboratories, Clinical Medical Laboratory

23%

of this provider's 65,695 patients got this service
44,848

Performed in an office

23%

of this provider's 65,695 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA HOLDINGS

BURLINGTON, N.C. 27215

Laboratories, Clinical Medical Laboratory

1%

of this provider's 1,491,360 patients got this service
31,372

Performed in an office

1%

of this provider's 1,491,360 patients got this service
1.1
BIO-REFERENCE LABORATORIES, INC.

ELMWOOD PARK, N.J. 07407

Laboratories, Clinical Medical Laboratory

2%

of this provider's 361,248 patients got this service
29,367

Performed in an office

2%

of this provider's 361,248 patients got this service
1.9
PROMETHEUS LABORATORIES INC.

SAN DIEGO, Calif. 92121

Laboratories, Clinical Medical Laboratory

67%

of this provider's 6,700 patients got this service
25,435

Performed in an office

67%

of this provider's 6,700 patients got this service
1
INNOVATIVE DIAGNOSTIC LABORATORY

RICHMOND, Va. 23227

Laboratories, Clinical Medical Laboratory

43%

of this provider's 7,040 patients got this service
23,430

Performed in an office

43%

of this provider's 7,040 patients got this service
1.1
EXAGEN DIAGNOSTICS INC

VISTA, Calif. 92081

Laboratories, Clinical Medical Laboratory

81%

of this provider's 8,136 patients got this service
21,942

Performed in an office

81%

of this provider's 8,136 patients got this service
1
TRUE HEALTH DIAGNOSTICS, LLC

FRISCO, Tex. 75033

Laboratories, Clinical Medical Laboratory

31%

of this provider's 31,588 patients got this service
18,497

Performed in an office

31%

of this provider's 31,588 patients got this service
1.1
IMMCO DIAGNOSTICS, INC

BUFFALO, N.Y. 14228

Laboratories, Clinical Medical Laboratory

71%

of this provider's 1,524 patients got this service
9,400

Performed in an office

71%

of this provider's 1,524 patients got this service
1.1
PHARMASAN LABS INC

OSCEOLA, Wis. 54020

Laboratories, Clinical Medical Laboratory

68%

of this provider's 2,946 patients got this service
7,564

Performed in an office

68%

of this provider's 2,946 patients got this service
1.1
ATHEROTECH, INC.

BIRMINGHAM, Ala. 35211

Laboratories, Clinical Medical Laboratory

6%

of this provider's 103,570 patients got this service
7,480

Performed in an office

6%

of this provider's 103,570 patients got this service
1.2
GENOVA DIAGNOSTICS INC

ASHEVILLE, N.C. 28801

Laboratories, Clinical Medical Laboratory

50%

of this provider's 12,043 patients got this service
6,415

Performed in an office

50%

of this provider's 12,043 patients got this service
1.1
ATHENA DIAGNOSTICS, INC.

MARLBOROUGH, Mass. 01752

Laboratories, Clinical Medical Laboratory

49%

of this provider's 2,030 patients got this service
5,384

Performed in an office

49%

of this provider's 2,030 patients got this service
1
GENOVA DIAGNOSTICS INC

DULUTH, Ga. 30096

Laboratories, Clinical Medical Laboratory

94%

of this provider's 5,193 patients got this service
5,110

Performed in an office

94%

of this provider's 5,193 patients got this service
1.1
GLOBAL DISCOVERY BIOSCIENCES

IRVINE, Calif. 92618

Laboratories, Clinical Medical Laboratory

94%

of this provider's 591 patients got this service
4,935

Performed in an office

94%

of this provider's 591 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TAMPA, Fla. 33617

Laboratories, Clinical Medical Laboratory

0.46%

of this provider's 701,126 patients got this service
4,679

Performed in an office

0.46%

of this provider's 701,126 patients got this service
1
QUEST DIAGNOSTICS INCORPORATED

TETERBORO, N.J. 07608

Laboratories, Clinical Medical Laboratory

0.62%

of this provider's 448,515 patients got this service
4,425

Performed in an office

0.62%

of this provider's 448,515 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA HOLDINGS

RARITAN, N.J. 08869

Laboratories, Clinical Medical Laboratory

0.24%

of this provider's 831,784 patients got this service
4,105

Performed in an office

0.24%

of this provider's 831,784 patients got this service
1.1
SOLSTAS LAB PARTNERS GROUP, LLC

GREENSBORO, N.C. 27410

Laboratories, Clinical Medical Laboratory

0.54%

of this provider's 470,242 patients got this service
4,047

Performed in an office

0.54%

of this provider's 470,242 patients got this service
1
PHYSICIANS CHOICE LABORATORY SERVICES, LLC

ROCK HILL, S.C. 29730

Laboratories, Clinical Medical Laboratory

7%

of this provider's 37,395 patients got this service
3,965

Performed in an office

7%

of this provider's 37,395 patients got this service
1.5
UNILAB CORPORATION

WEST HILLS, Calif. 91304

Laboratories, Clinical Medical Laboratory

0.37%

of this provider's 485,682 patients got this service
3,855

Performed in an office

0.37%

of this provider's 485,682 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA

SAN DIEGO, Calif. 92128

Laboratories, Clinical Medical Laboratory

0.22%

of this provider's 418,130 patients got this service
3,722

Performed in an office

0.22%

of this provider's 418,130 patients got this service
1.2
BIO REFERENCE LABORATORIES, INC

HACKENSACK, N.J. 07601

Laboratories, Clinical Medical Laboratory

10%

of this provider's 5,198 patients got this service
3,712

Performed in an office

10%

of this provider's 5,198 patients got this service
3.4
QUEST DIAGNOSTICS LLC IL

WOOD DALE, Ill. 60191

Laboratories, Clinical Medical Laboratory

0.4%

of this provider's 427,860 patients got this service
3,586

Performed in an office

0.4%

of this provider's 427,860 patients got this service
1.2
FLORIDA CLINICAL LABORATORY, INC

MELBOURNE, Fla. 32901

Laboratories, Clinical Medical Laboratory

3%

of this provider's 41,689 patients got this service
3,417

Performed in an office

3%

of this provider's 41,689 patients got this service
1.6
SUNRISE MEDICAL LABORATORIES, INC.

HICKSVILLE, N.Y. 11801

Laboratories, Clinical Medical Laboratory

0.92%

of this provider's 155,887 patients got this service
3,392

Performed in an office

0.92%

of this provider's 155,887 patients got this service
1.1
JORGE ZAMORA-QUEZADA

EDINBURG, Tex. 78539

Rheumatology

79%

of this provider's 1,515 patients got this service
3,281

Performed in an office

79%

of this provider's 1,515 patients got this service
1
ENIGMA MANAGEMENT CORP

BROOKLYN, N.Y. 11218

Laboratories, Clinical Medical Laboratory

31%

of this provider's 3,631 patients got this service
3,128

Performed in an office

31%

of this provider's 3,631 patients got this service
1.4
WASHINGTON UNIVERSITY

SAINT LOUIS, Mo. 63110

Laboratories, Clinical Medical Laboratory

69%

of this provider's 549 patients got this service
2,885

Performed in an office

69%

of this provider's 549 patients got this service
1
HARTFORD HEALTHCARE LABORATORIES

NEWINGTON, Conn. 06111

Laboratories, Clinical Medical Laboratory

1%

of this provider's 70,039 patients got this service
2,822

Performed in an office

1%

of this provider's 70,039 patients got this service
1.1

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 2015 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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