What is Nehemiah Tan's specialty?

Nehemiah Tan (NPI 1578520995) is a Medicare-billing provider whose primary specialty is Rheumatology in Decatur, IL.

Where does Nehemiah Tan practice?

Nehemiah Tan practices in Decatur, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1578520995.

How much does Medicare pay Nehemiah Tan?

Nehemiah Tan (NPI 1578520995) received approximately $623K in total Medicare Part B payments, serving 511 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578520995

Nehemiah TanM.D.

RheumatologyDecatur, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

869

Unique beneficiaries

—

Total services

17,056

Distinct HCPCS

Medicare payment

$591K

Peer benchmark

Total Medicare services vs. 205 Rheumatology providers in IL — above median (cohort median 2,209).

PRESCRIBING · PART D · 2024

Total Rx claims

4,185

Beneficiaries

—

Total drug cost

$1.7M

Distinct drugs

Brand share

28.6%

Top prescribed drugs

Hydroxychloroquine Sulfate826 claims

Methotrexate Sodium802 claims

Prednisone434 claims

Duloxetine Hcl409 claims

Tramadol Hcl265 claims

QUALITY · MIPS · 2024

Final MIPS score

18.6

Quality

0.0

Cost

62.1

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$646

Payment records

By payment type

Food and Beverage$646

Top paying entities

Food and Beverage$646

REFERRAL NETWORK

Where Nehemiah Tan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 31 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST MARYS HOSPITAL DECATUR OF THE HOSPITAL SISTERS OF THE THIRD ORDER	134	559
Jeffrey Boorstein Diagnostic Radiology · Decatur, IL	63	153
James Brumit Diagnostic Radiology · Knoxville, TN	45	110
Adam Zorn Diagnostic Radiology · Milwaukee, WI	35	71
HSHS GOOD SHEPHERD HOSPITAL INC	33	123
ST ANTHONYS MEMORIAL HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD	32	122
Tansel Turgut Interventional Cardiology · Michigan City, IN	26	43
John Waters Interventional Cardiology · Kearney, NE	26	89
Bruce Linder Diagnostic Radiology · Lisle, IL	25	55
Muhammad Qureshi Nephrology · Decatur, IL	21	69
Dennis Vaughn Podiatry · Mt. Zion, IL	19	38
Dhirendra Patel Internal Medicine · Decatur, IL	17	86

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history