What is Frank Hartwick's specialty?

Frank Hartwick (NPI 1336158567) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Lodi, CA.

Where does Frank Hartwick practice?

Frank Hartwick practices in Lodi, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1336158567.

How much does Medicare pay Frank Hartwick?

Frank Hartwick (NPI 1336158567) received approximately $340K in total Medicare Part B payments, serving 3,637 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1336158567

Frank HartwickMD

Diagnostic RadiologyLodi, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

6,183

Unique beneficiaries

—

Total services

10,538

Distinct HCPCS

Medicare payment

$302K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

91.9

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Frank Hartwick'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). 100 inbound referrers · 252 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LODI MEMORIAL HOSPITAL ASSOCIATION INC	2,173	5,758
Steven La Viola Internal Medicine · Lodi, CA	1,097	2,861
Grant Rogero Diagnostic Radiology · Lodi, CA	766	2,124
American Medical Response West Ambulance Service Provider · Stockton, CA	699	1,807
SUTTER GOULD MEDICAL FOUNDATION	216	906
Masaru Oshita Emergency Medicine · Sacramento, CA	198	438
Andrea Ajayi Emergency Medicine · Oakland, CA	190	457
Juliene Gentry Hospitalist · Phoenix, AZ	132	303
Nancy Inforzato Internal Medicine · Fort Defiance, AZ	126	295
Poppi Rodriguez-Webb Emergency Medicine · Lodi, CA	115	254
Joseph Gayagoy Internal Medicine · Lodi, CA	108	282
Xavier Salinas Emergency Medicine · El Dorado Hills, CA	106	206

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
LODI MEMORIAL HOSPITAL ASSOCIATION INC	973	2,679
Richard Rankin Diagnostic Radiology · Lodi, CA	605	1,953
Grant Rogero Diagnostic Radiology · Lodi, CA	575	1,624
Steven La Viola Internal Medicine · Lodi, CA	418	1,185
American Medical Response West Ambulance Service Provider · Stockton, CA	327	817
Unilab Corporation Clinical Laboratory · Sacramento, CA	219	540
Poppi Rodriguez-Webb Emergency Medicine · Lodi, CA	201	413
PATH LABS, LLC	190	365
Nazish Ali Internal Medicine · Antioch, CA	188	527
Bao Nguyen Family Practice · Stockton, CA	186	529
Kevin Donaghy Emergency Medicine · Folsom, CA	181	418
Xavier Salinas Emergency Medicine · El Dorado Hills, CA	180	346

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