CaliforniaCross-Cultural ComparisonDiabetes Mellitus, Type 2
Dr. Robert J. Bartz, MD
NPI1649319492
- Medicare services, 2021
- 799
- Part D claims, 2022
- 456
- Publications
- 1
- Insurance carriers
- 3
- State license
- 1
- Practice address
- 1101 Van Ness Ave, San Francisco, CA 94109
- Practice phone
- Call (415) 600-0940
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bartz's professional email, personal email and mobile number
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Dr. Robert J. Bartz is a family medicine physician in San Francisco, California
Dr. Bartz practices in San Francisco, California.
Dr. Bartz's NPI, 1649319492, was assigned on February 6, 2007. Dr. Bartz graduated from University of Wisconsin-Madison in 1981. Dr. Bartz holds California license 44156.
NPI and contact details
- NPI
- 1649319492NPI Registry (opens in a new tab)
- NPI enumeration date
- February 6, 2007
- NPI status
- Active
- Practice phone
- (415) 600-0940
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Robert J. Bartz's practice address is in San Francisco, California
Dr. Bartz's practice address in the NPI Registry is 1101 Van Ness Ave, San Francisco, CA 94109, in San Francisco County. The practice phone is (415) 600-0940.
- NPI Registry address1101 Van Ness Ave, San Francisco, CA 94109 · San Francisco CountyPhone(415) 600-0940
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Robert J. Bartz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bartz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Bartz's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert J. Bartz is one of 15,680 family medicine physicians in California
Family medicine is Dr. Bartz's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Bartz is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Bartz
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert J. Bartz billed Medicare for 799 services in 2021
CMS data shows 799 Medicare services from Dr. Bartz across 9 procedure codes in 2021. Medicare paid $71,688 for them. Every service was in an office.
Medicare services, 2021799
Paid by Medicare$71,688
Procedure codes9
Dr. Bartz's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 6222021: 48023%
- Other services
- 2020: 2042021: 2197%
- Tests and treatments
- 2020: 1252021: 10020%
Dr. Bartz compared with the California median for family medicine physicians, 2021
- Dr. Bartz
- California median
- Medicare services
- 799vs 2463.2 times
- Part D claims
- 456vs 83345% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Bartz's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bartz and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert J. Bartz's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Bartz's median patient age at 72, with 26% women.
Dr. Bartz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women26%
- Men68%
Source: Dmand AI Patient Panel Data
Dr. Robert J. Bartz wrote 456 Medicare Part D claims in 2022
In 2022, Dr. Bartz wrote 456 Medicare Part D claims. Every claim was for a generic drug. They cover 14 drugs, with $6,216 in total drug cost. In 2021, CMS named 3,839 claims across 78 drugs.
Part D claims, 2022456
Drugs named by CMS14
Total drug cost$6,216
Dr. Bartz's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 3,8392022: 45688%
Drugs named by CMS: 14 in 2022, 78 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert J. Bartz has 1 publication on record
Dmand AI links 1 paper to Dr. Bartz. Dr. Bartz's most frequent co-authors are Lawrence I. Fisher, MD, Lisa A. Fisher, MD and Richard A. Kanter, MD.
Papers1
Dr. Bartz's most frequent co-authors
- Lawrence I. Fisher, MD1 shared paper
- Lisa A. Fisher, MD1 shared paper
- Richard A. Kanter, MD1 shared paper
Recent publications by Dr. Bartz
See who Dr. Bartz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bartz works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert J. Bartz graduated from University of Wisconsin-Madison
Dr. Bartz graduated from University of Wisconsin-Madison in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Robert J. Bartz accepts plans from 3 insurance carriers
Dr. Bartz is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Bartz accepts, by number of carriers
- Medicare3
- PPO3
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert J. Bartz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert J. Bartz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert J. Bartz's NPI number?
Dr. Robert J. Bartz's NPI number is 1649319492. It was assigned on February 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Bartz?
Dr. Robert J. Bartz is a family medicine physician in San Francisco, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Robert J. Bartz practice?
Dr. Bartz practices at 1101 Van Ness Ave, San Francisco, CA 94109.
What is Dr. Robert J. Bartz's office phone number?
The practice phone on file for Dr. Bartz is (415) 600-0940.
What is Dr. Robert J. Bartz's medical license number?
Dr. Bartz holds California license 44156.
Does Dr. Robert J. Bartz accept Medicare?
Yes. CMS data shows Dr. Bartz billed Medicare for 799 services in 2021.
What services does Dr. Robert J. Bartz bill to Medicare?
In 2021, Dr. Bartz's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).
Where did Dr. Robert J. Bartz go to medical school?
Dr. Bartz graduated from University of Wisconsin-Madison in 1981.
What drugs does Dr. Robert J. Bartz prescribe most?
In 2022 Medicare Part D data, Dr. Bartz's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Robert J. Bartz been practicing?
Dr. Bartz graduated from medical school in 1981, 45 years ago.
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Does Dr. Robert J. Bartz do research?
Dmand AI links 1 publication to Dr. Bartz.
Who does Dr. Robert J. Bartz publish with?
Dr. Bartz's most frequent co-authors are Lawrence I. Fisher, MD (1 shared paper), Lisa A. Fisher, MD (1 shared paper) and Richard A. Kanter, MD (1 shared paper).
What insurance does Dr. Robert J. Bartz accept?
Dr. Bartz is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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