What is Catherine Gentemann's specialty?

Catherine Gentemann (NPI 1215043526) is a Medicare-billing provider whose primary specialty is Internal Medicine in Huntington Beach, CA.

Where does Catherine Gentemann practice?

Catherine Gentemann practices in Huntington Beach, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1215043526.

How much does Medicare pay Catherine Gentemann?

Catherine Gentemann (NPI 1215043526) received approximately $42K in total Medicare Part B payments, serving 251 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1215043526

Catherine GentemannM.D.

Internal MedicineHuntington Beach, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

603

Unique beneficiaries

—

Total services

956

Distinct HCPCS

Medicare payment

$32K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

3,915

Beneficiaries

—

Total drug cost

$272K

Distinct drugs

Brand share

16.0%

Top prescribed drugs

Atorvastatin Calcium281 claims

Levothyroxine Sodium230 claims

Rosuvastatin Calcium203 claims

Losartan Potassium172 claims

Amlodipine Besylate156 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.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Home health agency

Home health agency

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Catherine Gentemann'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). 3 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	40	112
Clamon Vu Family Practice · Huntington Beach, CA	13	18
ORANGE COAST MEMORIAL MEDICAL CENTER	13	22

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	81	182
ORANGE COAST MEMORIAL MEDICAL CENTER	26	54
Madhavan Krishnan Diagnostic Radiology · Mission Viejo, CA	13	17
HOAG MEMORIAL HOSPITAL PRESBYTERIAN	12	24
Nannette Mitchell Internal Medicine · Huntington Beach, CA	12	22

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