Stephanie Opusunju, M.D.
Internal Medicine Physician · McKinney, TX
Stephanie Opusunju, M.D. is an internal medicine physician with a practice address in McKinney, Texas, and NPI 1720436934, issued on May 27, 2016. Check the license (Texas R4120, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephanie Opusunju
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R4120 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1400 N Coit RD Ste 302, McKinney, TX 75071
- Phone
- (214) 886-6030
- Enumerated
- May 27, 2016
- Record last updated
- Jul 22, 2025
- Fax
- (877) 370-4758
- Medicare enrollment
- Enrolled (PECOS I20200720002013); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2016
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1400 N Coit RD Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephanie Opusunju in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R4120Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average internal medicine physician in 2024
3,618 Medicare Part D claims for 182 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 279 claims were for opioids.
Most prescribed
- Amlodipine Besylate181 claims
- Hydrocodone-Acetaminophen160 claims
- Atorvastatin Calcium139 claims
- Ozempic121 claims
- Alprazolam91 claims
- Gabapentin89 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.
Stephanie Opusunju among 9,175 internal medicine physician records in Texas
Stephanie Opusunju, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.
- NPI issued2016 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 internal medicine physician records list a practice address in McKinney
They are 52 of the 3,263 NPPES records with a practice address in McKinney, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in McKinney → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Syed Aziz, M.D.McKinney, TX 750711386634293
- Tenesha Chappell, M.D.McKinney, TX 750711952326605
- Honey Cheruiyot, MDMcKinney, TX 750711427198373
- Deepa Chintala, M.DMcKinney, TX 750711659582575
- Soujanya Donthu, MDMcKinney, TX 750711477798718
- Sameh Elsaid, MDMcKinney, TX 750711396829552
- Ayesha Jamal, M.D.McKinney, TX 750711114102092
- Erum Jameel, M.DMcKinney, TX 750711538315387
Common questions
What is Stephanie Opusunju, M.D.'s NPI number?
Stephanie Opusunju, M.D.'s National Provider Identifier (NPI) is 1720436934, issued on May 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Opusunju, M.D. located?
The NPPES record lists a practice address at 1400 N Coit RD Ste 302, McKinney, TX, 75071. Phone: (214) 886-6030. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Opusunju, M.D.'s license?
NPPES lists Texas license number R4120, 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 Stephanie Opusunju, M.D. prescribe under Medicare Part D?
In 2024, Stephanie Opusunju, M.D. had 3,618 Medicare Part D claims for 182 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.