What is James Gammon's specialty?

James Gammon (NPI 1598800062) is a Medicare-billing provider whose primary specialty is Ophthalmology in Modesto, CA.

Where does James Gammon practice?

James Gammon practices in Modesto, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1598800062.

How much does Medicare pay James Gammon?

James Gammon (NPI 1598800062) received approximately $50K in total Medicare Part B payments, serving 300 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598800062

James GammonMD

OphthalmologyModesto, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

550

Unique beneficiaries

—

Total services

654

Distinct HCPCS

Medicare payment

$49K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — below median (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

1,918

Beneficiaries

—

Total drug cost

$137K

Distinct drugs

Brand share

14.4%

Top prescribed drugs

Latanoprost768 claims

Prednisolone Acetate277 claims

Brimonidine Tartrate239 claims

Ofloxacin238 claims

Netarsudil Mesylat/Latanoprost211 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$119

Payment records

By payment type

Food and Beverage$119

Top paying entities

Food and Beverage$119

REFERRAL NETWORK

Where James Gammon'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
STANISLAUS SURGICAL HOSPITAL LLC	46	92
DOCTORS MEDICAL CENTER OF MODESTO, INC.	46	76
SUTTER GOULD MEDICAL FOUNDATION	38	154
Tri Pham Internal Medicine · Modesto, CA	18	45
CHANG, SHI-HWA	17	28
Alexander Yang Anesthesiology · Modesto, CA	11	22
Adhir Singh Podiatry · Modesto, CA	11	12

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