Ellen B. Duncan, M.D.
Pain Medicine Physician · San Antonio, TX
Ellen B. Duncan, M.D. is a pain medicine physician with a practice address in San Antonio, Texas, and NPI 1972535508, issued on Jul 6, 2006. Check the license (Texas J2209, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ellen B. Duncan
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine Physician 208VP0000X
- License number
- J2209 TX
Self-reported in NPPES; status is on the state search - Practice location
- 300 E Sonterra Blvd Ste 340, San Antonio, TX 78258
- Phone
- (210) 802-2522
- Enumerated
- Jul 6, 2006
- Record last updated
- Dec 1, 2023
- Fax
- (210) 802-4490
- Medicare enrollment
- Enrolled (PECOS I20070105000168); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine physician records → All 115 in Texas → Look up another NPI →
Also registered at 300 E Sonterra Blvd Ste 340
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christi John, FNP-CFamily Nurse Practitioner1508405556
Verify Ellen B. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J2209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average pain medicine physician in 2024
6,717 Medicare Part D claims for 532 beneficiaries, against an average of 2,095 among the 944 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims. 3,214 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen1,626 claims
- Gabapentin846 claims
- Prednisone537 claims
- Oxycodone Hcl343 claims
- Tizanidine Hcl325 claims
- Oxycodone-Acetaminophen281 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $733.51
42 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 769 providers of this specialty with any payment received $3,397.95 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.
Ellen B. Duncan among 115 pain medicine physician records in Texas
Ellen B. Duncan, M.D. is one of 115 pain medicine physician records with a practice address in Texas. 90% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1991 · median 2006 among the 83 with a school on file
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine Physician providers in Texas
There are 115 pain medicine physician records in Texas.
All 115 in Texas → Every provider in San Antonio → Pain Medicine Physician nationwide →
The 8 pain medicine physician records with the nearest ZIP codes
- Donald Bacon, M.D.San Antonio, TX 782581972502284
- Sandra Rojas, MDSan Antonio, TX 782581811199623
- Samir Patel, D.O.San Antonio, TX 782511992965982
- Satinderpal Singh, DOSan Antonio, TX 782511275117624
- Naumit Bhandari, M.D.Shavano Park, TX 782491710207360
- Mark Moran, M.D.San Antonio, TX 782491881738219
- Scott Worrich, M.D.San Antonio, TX 782491699703066
- Michael Murphy, M.D.San Antonio, TX 782401609875970
Common questions
What is Ellen B. Duncan, M.D.'s NPI number?
Ellen B. Duncan, M.D.'s National Provider Identifier (NPI) is 1972535508, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ellen B. Duncan, M.D. located?
The NPPES record lists a practice address at 300 E Sonterra Blvd Ste 340, San Antonio, TX, 78258. Phone: (210) 802-2522. Providers update this record themselves, so call before visiting.
How can I verify Ellen B. Duncan, M.D.'s license?
NPPES lists Texas license number J2209, 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 Ellen B. Duncan, M.D. prescribe under Medicare Part D?
In 2024, Ellen B. Duncan, M.D. had 6,717 Medicare Part D claims for 532 beneficiaries; the average among pain medicine physician prescribers was 2,095. Part D covers Medicare prescriptions only.
What is Ellen B. Duncan, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.