What is Frank Mayer's specialty?

Frank Mayer (NPI 1598760589) is a Medicare-billing provider whose primary specialty is Gastroenterology in La Jolla, CA.

Where does Frank Mayer practice?

Frank Mayer practices in La Jolla, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1598760589.

How much does Medicare pay Frank Mayer?

Frank Mayer (NPI 1598760589) received approximately $86K in total Medicare Part B payments, serving 455 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598760589

Frank MayerM.D.

PRACTICEDONALD J. RITT MD, INCSee all providers at this practice →

GastroenterologyLa Jolla, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

877

Unique beneficiaries

—

Total services

1,005

Distinct HCPCS

Medicare payment

$80K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — above median (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

344

Beneficiaries

—

Total drug cost

$74K

Distinct drugs

Brand share

48.0%

Top prescribed drugs

Sodium, Potassium,mag Sulfates103 claims

Pantoprazole Sodium34 claims

Magnesium Sulfate26 claims

Esomeprazole Magnesium23 claims

Lipase/Protease/Amylase21 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Frank Mayer'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Paul Gibbs Pathology · La Jolla, CA	43	107
La Jolla Endoscopy Center Lp Ambulatory Surgical Center · La Jolla, CA	30	58
REGENTS OF THE UNIVERSITY OF CALIFORNIA	26	84
Scripps Health Clinical Laboratory · La Jolla, CA	25	84
Eric Hong Cardiology · La Jolla, CA	25	56
Philip Hoang Diagnostic Radiology · La Jolla, CA	22	36
Julie Papatheofanis Internal Medicine · La Jolla, CA	22	71
SPINOSA, JOHN	21	53
Charles Liu Diagnostic Radiology · La Jolla, CA	21	38
Paul Sylvan Diagnostic Radiology · Rancho Mirage, CA	21	44
SAN DIEGO MEDICAL SERVICES ENTERPRISE, LLC	17	33
Matthew Lucks Cardiology · Alexandria, VA	15	38

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