What is Benjamin Tan's specialty?

Benjamin Tan (NPI 1275551814) is a Medicare-billing provider whose primary specialty is Medical Oncology in Saint Louis, MO.

Where does Benjamin Tan practice?

Benjamin Tan practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1275551814.

How much does Medicare pay Benjamin Tan?

Benjamin Tan (NPI 1275551814) received approximately $1.3M in total Medicare Part B payments, serving 321 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1275551814

Benjamin TanMD

Medical OncologySaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

901

Unique beneficiaries

—

Total services

12,024

Distinct HCPCS

Medicare payment

$121K

Peer benchmark

Total Medicare services vs. 109 Medical Oncology providers in MO — top quintile (cohort median 16,285).

PRESCRIBING · PART D · 2024

Total Rx claims

512

Beneficiaries

—

Total drug cost

$117K

Distinct drugs

Brand share

24.4%

Top prescribed drugs

Gabapentin52 claims

Ondansetron Hcl47 claims

Prochlorperazine Maleate47 claims

Apixaban42 claims

Lidocaine/Prilocaine34 claims

QUALITY · MIPS · 2024

Final MIPS score

84.2

Quality

71.6

Cost

75.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.39%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Benjamin 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). 32 inbound referrers · 55 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Morey Blinder Hematology · Saint Louis, MO	135	1,548
Daniel Morgensztern Medical Oncology · Saint Louis, MO	82	582
Cynthia Ma Hematology-Oncology · Saint Louis, MO	65	448
William James Diagnostic Radiology · Saint Louis, MO	64	190
Kathryn Fowler Diagnostic Radiology · San Diego, CA	36	88
Rama Suresh Medical Oncology · Saint Louis, MO	33	119
LINETTE, GERALD	33	197
Washington University Clinical Laboratory · Saint Louis, MO	31	94
Jian Campian Medical Oncology · Rochester, MN	25	173
Michael Lin Diagnostic Radiology · Roseville, MN	21	88
Vincent Mellnick Diagnostic Radiology · Saint Louis, MO	21	64
Amanda Cashen Medical Oncology · Saint Louis, MO	20	88

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
BARNES JEWISH HOSPITAL	280	3,067
Morey Blinder Hematology · Saint Louis, MO	101	959
MORTON, ASHLEY	85	627
Daniel Morgensztern Medical Oncology · Saint Louis, MO	72	364
BARNES JEWISH WEST COUNTY HOSPITAL	60	345
Cynthia Ma Hematology-Oncology · Saint Louis, MO	54	343
Sanjeev Bhalla Diagnostic Radiology · Saint Louis, MO	39	100
Bruce Roth Medical Oncology · Saint Louis, MO	36	147
LINETTE, GERALD	35	207
William James Diagnostic Radiology · Saint Louis, MO	35	91
Rama Suresh Medical Oncology · Saint Louis, MO	30	113
Vincent Mellnick Diagnostic Radiology · Saint Louis, MO	28	70

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events