What is Ann Mohrbacher's specialty?

Ann Mohrbacher (NPI 1275578957) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Los Angeles, CA.

Where does Ann Mohrbacher practice?

Ann Mohrbacher practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1275578957.

How much does Medicare pay Ann Mohrbacher?

Ann Mohrbacher (NPI 1275578957) received approximately $72K in total Medicare Part B payments, serving 219 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1275578957

Ann MohrbacherM.D.

Hematology-OncologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

371

Unique beneficiaries

—

Total services

916

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

Total Medicare services vs. 957 Hematology-Oncology providers in CA — below median (cohort median 4,173).

PRESCRIBING · PART D · 2024

Total Rx claims

176

Beneficiaries

—

Total drug cost

$2.3M

Distinct drugs

Brand share

57.4%

Top prescribed drugs

Pomalidomide52 claims

Lenalidomide37 claims

Gabapentin14 claims

Acyclovir13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$5K

Payment records

130

By payment type

Food and Beverage$5K

Top paying entities

Food and Beverage$5K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050660

Hospital

CCN 050696

Hospital

REFERRAL NETWORK

Where Ann Mohrbacher'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). 14 inbound referrers · 33 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Phillip Cheng Diagnostic Radiology · Los Angeles, CA	33	293
HITI, ALAN	29	262
Casey O'connell Hematology-Oncology · Los Angeles, CA	26	693
Michell Cadiz Nurse Practitioner · Los Angeles, CA	25	197
Unilab Corporation Clinical Laboratory · West Hills, CA	22	191
Kevin Kelly Hematology-Oncology · Los Angeles, CA	18	147
LIN, LEAH	16	76
Howard Liebman Hematology · Los Angeles, CA	15	74
RAMSINGH, GIRIDHARAN	13	44
Kevin King Diagnostic Radiology · Los Angeles, CA	13	80
Ana Maliglig Diagnostic Radiology · New Orleans, LA	12	49
Eric White Diagnostic Radiology · Los Angeles, CA	12	61

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF SOUTHERN CALIFORNIA	178	5,610
UNIVERSITY OF SOUTHERN CALIFORNIA	85	845
Jane Emerson Pathology · Los Angeles, CA	43	500
Phillip Cheng Diagnostic Radiology · Los Angeles, CA	38	294
Casey O'connell Hematology-Oncology · Los Angeles, CA	32	455
Vinay Duddalwar Diagnostic Radiology · Los Angeles, CA	24	129
Michell Cadiz Nurse Practitioner · Los Angeles, CA	23	155
Anil Tulpule Hematology · Los Angeles, CA	22	171
Unilab Corporation Clinical Laboratory · West Hills, CA	21	184
Kevin Kelly Hematology-Oncology · Los Angeles, CA	21	177
HITI, ALAN	19	103
Jerold Shinbane Cardiology · Los Angeles, CA	19	105

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