What is John Whyman's specialty?

John Whyman (NPI 1164480315) is a Medicare-billing provider whose primary specialty is Internal Medicine in Wellesley, MA.

Where does John Whyman practice?

John Whyman practices in Wellesley, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1164480315.

How much does Medicare pay John Whyman?

John Whyman (NPI 1164480315) received approximately $41K in total Medicare Part B payments, serving 177 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164480315

John WhymanM.D.

PRACTICEATRIUS HEALTH, INC.See all providers at this practice →

Internal MedicineWellesley, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,279

Unique beneficiaries

—

Total services

1,606

Distinct HCPCS

Medicare payment

$37K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

2,136

Beneficiaries

—

Total drug cost

$100K

Distinct drugs

Brand share

12.6%

Top prescribed drugs

Atorvastatin Calcium356 claims

Amlodipine Besylate155 claims

Lisinopril123 claims

Simvastatin103 claims

Tamsulosin Hcl95 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Whyman'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). 0 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
David Rubin Internal Medicine · Wellesley, MA	14	77
Nancy Houser Nurse Practitioner · Wellesley, MA	13	52
Marshall Katz Cardiology · Boston, MA	11	62

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