Timothy S. Fenske, MD
Hematology & Oncology Physician · San Antonio, TX
Timothy S. Fenske, MD is a hematology & oncology physician with a practice address in San Antonio, Texas, and NPI 1104877935, issued on May 15, 2006. Check the license (Texas V6299, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Timothy S. Fenske
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- V6299 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4450 Medical Dr FL 1, San Antonio, TX 78229
- Phone
- (210) 575-3817
- Enumerated
- May 15, 2006
- Record last updated
- Feb 21, 2025
- Fax
- (210) 575-4113
- Medicaid IDs
- 34624200 WI
1104877935 WI - Medicare enrollment
- Enrolled (PECOS I20250305002264); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4450 Medical Dr FL 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Darilek, APRN-CNPNurse Practitioner1659263028
- Nosha Farhadfar, M.D.Hematology & Oncology Physician1760819304
- Amin Firoozmand, M.DHematology & Oncology Physician1336533512
- Wendy Henninger, DNP, APRN, CNPNurse Practitioner1710172838
- Melanie Hochman, AGACNPNurse Practitioner1457949067
- Analesa Lyles, PAPhysician Assistant1114318961
Verify Timothy S. Fenske in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V6299Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
434 Medicare Part D claims for 76 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Acyclovir82 claims
- Prednisone55 claims
- Sulfamethoxazole-Trimethoprim51 claims
- Ondansetron Hcl30 claims
- Brukinsa28 claims
- Calquence19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $48,434.40
49 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Bills Medicare through one group practice
- Methodist Physician Practices PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
Other hematology & oncology physician records in Texas
- Kanza Abbas, M.D.Houston, TX1396065934
- Elham Abbasi-Hafshejani, M.D.The Woodlands, TX1306856513
- Raghad Abdul-Karim, MDMcAllen, TX1114207172
- Seyed Abedi, M.D.,PH.D.Cedar Park, TX1033567409
- Muhammad Abid, M.D.Lubbock, TX1639480437
- Ambrose Aboud, MDEl Paso, TX1407843873
- Hesham Abowali, MDGalveston, TX1447806955
- Joel Abramowitz, M.D., PHDHouston, TX1447220413
- Hussna Abunafeesa, M.DDallas, TX1902338726
- Prashanth Adapala, M.D.Marble Falls, TX1740484336
Common questions
What is Timothy S. Fenske, MD's NPI number?
Timothy S. Fenske, MD's National Provider Identifier (NPI) is 1104877935, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy S. Fenske, MD located?
The NPPES record lists a practice address at 4450 Medical Dr FL 1, San Antonio, TX, 78229. Phone: (210) 575-3817. Providers update this record themselves, so call before visiting.
How can I verify Timothy S. Fenske, MD's license?
NPPES lists Texas license number V6299, 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 Timothy S. Fenske, MD prescribe under Medicare Part D?
In 2024, Timothy S. Fenske, MD had 434 Medicare Part D claims for 76 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Timothy S. Fenske, MD's MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.