PROVIDER PROFILE · NPI 1841303880

Edwin ChapmanM.D.

PRACTICEKAMBIA MEDICAL SERVICES LLCSee all providers at this practice →

Internal MedicineWashington, DCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

106

Unique beneficiaries

—

Total services

576

Distinct HCPCS

Medicare payment

$65K

Peer benchmark

Total Medicare services vs. 503 Internal Medicine providers in DC — above median (cohort median 493).

PRESCRIBING · PART D · 2024

Total Rx claims

2,207

Beneficiaries

—

Total drug cost

$900K

Distinct drugs

Brand share

71.2%

Top prescribed drugs

Buprenorphine Hcl/Naloxone Hcl1,234 claims

Buprenorphine Hcl/Naloxone Hcl259 claims

Atorvastatin Calcium113 claims

Amlodipine Besylate110 claims

Hydrochlorothiazide78 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$246

Payment records

By payment type

Food and Beverage$246

REFERRAL NETWORK

Where Edwin Chapman'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gregory Butler Ophthalmology · Washington, DC	17	33
HOWARD UNIVERSITY HOSPITAL CORP	17	30
Lubrina Bryant Podiatry · Washington, DC	16	34
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	14	45
Richard Dotson Ophthalmology · Washington, DC	13	22
DISTRICT HOSPITAL PARTNERS L P	13	21
LEDERMAN, CARL	11	18

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