What is Thomas Donner's specialty?

Thomas Donner (NPI 1659329977) is a Medicare-billing provider whose primary specialty is Endocrinology in Baltimore, MD.

Where does Thomas Donner practice?

Thomas Donner practices in Baltimore, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1659329977.

How much does Medicare pay Thomas Donner?

Thomas Donner (NPI 1659329977) received approximately $35K in total Medicare Part B payments, serving 276 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events