Mary Bartz, M.D.
Family Medicine Physician · Austin, TX
Mary Bartz, M.D. is a family medicine physician with a practice address in Austin, Texas, and NPI 1659321123, issued on May 12, 2006. Check the license (Texas H9781, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Bartz
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H9781 TX
Self-reported in NPPES; status is on the state search - Practice location
- 900 E 30TH St, Austin, TX 78705
- Phone
- (512) 476-6555
- Enumerated
- May 12, 2006
- Entity
- Type 1 · individual
Also registered at 900 E 30TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roberta Braun, MDSpecialist1811088255
- Cynthia Brinson, M.D.Family Medicine Physician1093766396
- Valerie CastroRegistered Dietitian1891109955
- Norma Cowart, P.A.Physician Assistant1922231679
- Naomi Daughtridge, R.D., L.D.Registered Dietitian1881686160
- Erin Haraway, MDUndersea and Hyperbaric Medicine (Preventive Medicine) Physician1376501528
Verify Mary Bartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H9781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
57% fewer Medicare Part D claims than the average family medicine physician in 2024
1,517 Medicare Part D claims for 165 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium123 claims
- Losartan Potassium75 claims
- Alprazolam58 claims
- Lisinopril50 claims
- Levothyroxine Sodium49 claims
- Escitalopram Oxalate45 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $889.71
42 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Red River Family Practice LLPAustin, TX
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
525 family medicine physician records list a Austin practice address
They are 525 of the 26,585 NPPES records with a Austin practice address, and 10,592 family medicine physician records in Texas.
All 525 in Austin → All 10,592 in Texas → Every provider in Austin →
Other family medicine physician records in Texas
- Srinivasa Aaluri, MDEl Paso, TX1265566509
- Maira Aamir, MDShenandoah, TX1932660859
- Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
- So Abad, MDWichita Falls, TX1184624694
- Yoseph AbadiRichardson, TX1700742640
- Marcus Abadie, M.D.Athens, TX1104821107
- Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
- Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
- Syed Abbas, M.D.Houston, TX1821267477
- Lisa Abbott, M.D.Mansfield, TX1700847779
Common questions
What is Mary Bartz, M.D.'s NPI number?
Mary Bartz, M.D.'s National Provider Identifier (NPI) is 1659321123, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Bartz, M.D. located?
The NPPES record lists a practice address at 900 E 30TH St, Austin, TX, 78705. Phone: (512) 476-6555. Providers update this record themselves, so call before visiting.
How can I verify Mary Bartz, M.D.'s license?
NPPES lists Texas license number H9781, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Bartz, M.D. prescribe under Medicare Part D?
In 2024, Mary Bartz, M.D. had 1,517 Medicare Part D claims for 165 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.