Duane Allen Penshorn, MD
Emergency Medicine Physician · San Antonio, TX
Duane Allen Penshorn, MD is an emergency medicine physician with a practice address in San Antonio, Texas, and NPI 1235221771, issued on Sep 29, 2006. Check the license (Texas M9573, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Duane Allen Penshorn
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- M9573 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8401 Datapoint Dr Ste 500, San Antonio, TX 78229
- Phone
- (210) 614-0180
- Enumerated
- Sep 29, 2006
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (210) 566-5698
- Medicaid ID
- 194892901 TX
- Medicare enrollment
- Enrolled (PECOS I20080902000519); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Verify Duane Allen Penshorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M9573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% more Medicare Part D claims than the average emergency medicine physician in 2024
434 Medicare Part D claims for 241 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 84 claims were for opioids.
Most prescribed
- Prednisone71 claims
- Tramadol Hcl69 claims
- Ibuprofen38 claims
- Methocarbamol27 claims
- Amoxicillin-Clavulanate Potass21 claims
- Cephalexin19 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Comal Emergency Physicians PLLCNew Braunfels, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Duane Allen Penshorn among 4,885 emergency medicine physician records in Texas
Duane Allen Penshorn, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2003 · median 2013 among the 2,779 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
400 emergency medicine physician records list a practice address in San Antonio
They are 400 of the 37,749 NPPES records with a practice address in San Antonio, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in San Antonio → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bruce Adams, MDSan Antonio, TX 782291578552535
- Kathlene Bassett, MDSan Antonio, TX 782291801875273
- Barr Baynton, M.D.San Antonio, TX 782291326049198
- Victor Burgos, M.D.San Antonio, TX 782291376518639
- Hector Caraballo, M.D.San Antonio, TX 782291427023688
- Kevin King, M.D.San Antonio, TX 782291992796635
- Judith Knoll, DOSan Antonio, TX 782291861491862
- Robert Kottman, MDSan Antonio, TX 782291558356600
Common questions
What is Duane Allen Penshorn, MD's NPI number?
Duane Allen Penshorn, MD's National Provider Identifier (NPI) is 1235221771, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Duane Allen Penshorn, MD located?
The NPPES record lists a practice address at 8401 Datapoint Dr Ste 500, San Antonio, TX, 78229. Phone: (210) 614-0180. Providers update this record themselves, so call before visiting.
How can I verify Duane Allen Penshorn, MD's license?
NPPES lists Texas license number M9573, 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 Duane Allen Penshorn, MD prescribe under Medicare Part D?
In 2024, Duane Allen Penshorn, MD had 434 Medicare Part D claims for 241 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Duane Allen Penshorn, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.