What is Gregory Gelmann's specialty?

Gregory Gelmann (NPI 1831112739) is a Medicare-billing provider whose primary specialty is Anesthesiology in New Castle, DE.

Where does Gregory Gelmann practice?

Gregory Gelmann practices in New Castle, DE, based on the location reported in the CMS Medicare provider datasets for NPI 1831112739.

How much does Medicare pay Gregory Gelmann?

Gregory Gelmann (NPI 1831112739) received approximately $17K in total Medicare Part B payments, serving 252 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831112739

Gregory GelmannMD

PRACTICEANESTHESIA SERVICES PASee all providers at this practice →

AnesthesiologyNew Castle, DEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

187

Unique beneficiaries

—

Total services

204

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 83 Anesthesiology providers in DE — above median (cohort median 262).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$23

Payment records

By payment type

Food and Beverage$23

Top paying entities

Food and Beverage$23

REFERRAL NETWORK

Where Gregory Gelmann'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). 31 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CHRISTIANA CARE HEALTH SERVICES, INC.	311	631
Glasgow Medical Center Llc Ambulatory Surgical Center · Newark, DE	101	109
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	74	101
George Benes Gastroenterology · Newark, DE	41	47
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	30	43
Cynthia Flynn Pathology · Newark, DE	29	31
Eric Montgomery Pathology · Kennett Square, PA	28	30
Daniel Maloney Diagnostic Radiology · Newark, DE	26	30
Jessica Clevenger Pathology · Indianapolis, IN	23	23
Shabbir Naqvi Diagnostic Radiology · Hockessin, DE	22	23
KANZER, MICHAEL	20	20
Bryan Franck Diagnostic Radiology · Newark, DE	20	21

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