What is Robert Hartmann's specialty?

Robert Hartmann (NPI 1922019017) is a Medicare-billing provider whose primary specialty is Internal Medicine in Jackson, CA.

Where does Robert Hartmann practice?

Robert Hartmann practices in Jackson, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1922019017.

How much does Medicare pay Robert Hartmann?

Robert Hartmann (NPI 1922019017) received approximately $21K in total Medicare Part B payments, serving 162 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922019017

Robert HartmannMD

Internal MedicineJackson, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

158

Unique beneficiaries

—

Total services

191

Distinct HCPCS

Medicare payment

$14K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

100

Beneficiaries

—

Total drug cost

$11K

Distinct drugs

Brand share

26.0%

Top prescribed drugs

Atorvastatin Calcium18 claims

Lisinopril17 claims

Levothyroxine Sodium17 claims

Albuterol Sulfate14 claims

Apixaban12 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 Robert Hartmann'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SUTTER VALLEY HOSPITALS	274	1,299
Philip Granchi Diagnostic Radiology · Brandon, FL	157	587
Gholamreza Pourzia Cardiology · Jackson, CA	51	220
UNITED HOMECARE OF NORTHERN CALIFORNIA, LC	44	149
BRUCE, DAVID	42	61
FRONK, STEVEN	30	51
Prabhir Singh Hospitalist · Sacramento, CA	28	175
Kenny Charn Cardiology · Jackson, CA	27	63
Richard Vanbuskirk Optometry · Jackson, CA	21	39
David Beffa General Surgery · Sacramento, CA	20	51
KERR, DARREL	19	36
Donald Vanfossan Neurology · Jackson, CA	18	85

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