What is Greti Petersen's specialty?

Greti Petersen (NPI 1144252040) is a Medicare-billing provider whose primary specialty is Internal Medicine in Bakersfield, CA.

Where does Greti Petersen practice?

Greti Petersen practices in Bakersfield, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1144252040.

How much does Medicare pay Greti Petersen?

Greti Petersen (NPI 1144252040) received approximately $6K in total Medicare Part B payments, serving 53 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1144252040

Greti Petersen

Internal MedicineBakersfield, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

473

Beneficiaries

—

Total drug cost

$14K

Distinct drugs

Brand share

9.3%

Top prescribed drugs

Atorvastatin Calcium61 claims

Amlodipine Besylate49 claims

Levothyroxine Sodium39 claims

Metformin Hcl36 claims

Pantoprazole Sodium33 claims

QUALITY · MIPS · 2024

Final MIPS score

88.0

Quality

47.7

Cost

82.3

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.55%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$226

Payment records

By payment type

Food and Beverage$226

Top paying entities

Food and Beverage$226

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050455

Hospital

REFERRAL NETWORK

Where Greti Petersen'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). 23 inbound referrers · 41 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KERN COUNTY HOSPITAL AUTHORITY	200	1,067
Justin Pearlman Internal Medicine · Brookline, MA	93	1,009
Pacific Point Laboratories, Inc. Clinical Laboratory · San Luis Obispo, CA	66	263
CHING, JAMES	63	382
William Gilli Internal Medicine · Bakersfield, CA	36	262
ROOS, EUGENE	35	138
GOUD, ASHA	35	137
Nabil Yassa Diagnostic Radiology · Tulsa, OK	23	81
Ishaan Kalha Gastroenterology · Bakersfield, CA	22	107
Augustine Munoz Internal Medicine · Bakersfield, CA	22	168
Nasser Khan Cardiology · Bakersfield, CA	21	93
Royce Johnson Infectious Disease · Bakersfield, CA	20	169

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KERN COUNTY HOSPITAL AUTHORITY	233	1,493
RAGLAND, ALAN	76	340
William Gilli Internal Medicine · Bakersfield, CA	55	546
CHING, JAMES	55	252
Justin Pearlman Internal Medicine · Brookline, MA	52	486
Hall Ambulance Service Inc Ambulance Service Provider · Bakersfield, CA	49	233
Arash Heidari Infectious Disease · Bakersfield, CA	44	868
Mohammad Naheedy Diagnostic Radiology · Bakersfield, CA	43	174
Pacific Point Laboratories, Inc. Clinical Laboratory · San Luis Obispo, CA	39	210
ROOS, EUGENE	34	154
Rajinder Singh Diagnostic Radiology · Fresno, CA	32	96
Saman Ratnayake Internal Medicine · Bakersfield, CA	30	569

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