Mangala Nayak
Internal Medicine Physician · San Antonio, TX
Mangala Nayak is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1801449632, issued on Jul 21, 2019. Check the license (Texas U8558, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mangala Nayak
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- U8558 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5282 Medical Dr Ste 250, San Antonio, TX 78229
- Phone
- (210) 358-8820
- Enumerated
- Jul 21, 2019
- Record last updated
- Jan 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240124003490); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 5282 Medical Dr Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mangala Nayak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U8558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,320 Medicare Part D claims for 272 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium58 claims
- Hydrochlorothiazide39 claims
- Lisinopril39 claims
- Amlodipine Besylate35 claims
- Fluticasone Propionate32 claims
- Gabapentin32 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.
Bills Medicare through one group practice
- Community Medicine AssociatesSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mangala Nayak among 9,175 internal medicine physician records in Texas
Mangala Nayak 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 2019, is newer than 82% of them.
- NPI issued2019 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 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).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeremias Abueme, M.D.San Antonio, TX 782291891790960
- Richard Clemons, MDSan Antonio, TX 782291740282664
- Serina Flores, M.D.San Antonio, TX 782291528058203
- John Galan, MDSan Antonio, TX 782291528069440
- Juan Gonzalez, MDSan Antonio, TX 782291659370963
- Bradley Kayser, MDSan Antonio, TX 782291285635110
- Michelle Medellin, M.D.San Antonio, TX 782291770571614
- Thomas Mieras, MDSan Antonio, TX 782291578564787
Common questions
What is Mangala Nayak's NPI number?
Mangala Nayak's National Provider Identifier (NPI) is 1801449632, issued on Jul 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mangala Nayak located?
The NPPES record lists a practice address at 5282 Medical Dr Ste 250, San Antonio, TX, 78229. Phone: (210) 358-8820. Providers update this record themselves, so call before visiting.
How can I verify Mangala Nayak's license?
NPPES lists Texas license number U8558, 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 Mangala Nayak prescribe under Medicare Part D?
In 2024, Mangala Nayak had 1,320 Medicare Part D claims for 272 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.