PROVIDER PROFILE · NPI 1659329977

Thomas DonnerM.D.

PRACTICEJOHNS HOPKINS HOSPITALSee all providers at this practice →

EndocrinologyBaltimore, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

410

Unique beneficiaries

—

Total services

485

Distinct HCPCS

Medicare payment

$33K

Peer benchmark

Total Medicare services vs. 170 Endocrinology providers in MD — bottom quintile (cohort median 1,214).

PRESCRIBING · PART D · 2024

Total Rx claims

2,279

Beneficiaries

—

Total drug cost

$1.5M

Distinct drugs

Brand share

71.4%

Top prescribed drugs

Tirzepatide323 claims

Semaglutide178 claims

Empagliflozin174 claims

Metformin Hcl152 claims

Rosuvastatin Calcium119 claims

QUALITY · MIPS · 2024

Final MIPS score

83.3

Quality

73.9

Cost

70.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$30

Payment records

By payment type

Long term medical supply or device loan$30

REFERRAL NETWORK

Where Thomas Donner'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	23	79
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	19	41
Susan Porter Nurse Practitioner · Baltimore, MD	14	24
BRENNAN, NANCYELLEN	11	31

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