Erin Mamuyac Lopez, MD
Otolaryngology Physician · San Antonio, TX
Erin Mamuyac Lopez, MD is an otolaryngology physician with a practice address in San Antonio, Texas, and NPI 1538693106, issued on Apr 20, 2017. Check the license (Texas U3926, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Erin Mamuyac Lopez
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- U3926 TX
2022-01636 NC
Self-reported in NPPES; status is on the state search - Practice location
- 8300 Floyd Curl Dr FL 6, San Antonio, TX 78229
- Phone
- (210) 450-9950
- Enumerated
- Apr 20, 2017
- Record last updated
- Jun 28, 2024
- Fax
- (210) 450-6033
- Medicare enrollment
- Enrolled (PECOS I20230731001454); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2017
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 790 in Texas → Look up another NPI →
Also registered at 8300 Floyd Curl Dr FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sebastian Mora, D.O.Ophthalmology Physician1801885843
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Verify Erin Mamuyac Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U3926Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average otolaryngology physician in 2024
125 Medicare Part D claims for 43 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Fluticasone Propionate55 claims
- Ipratropium Bromide21 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.
Industry payments in 2024: $714.68
8 payments; by number, the most common kind was food and beverage; the largest payer was Integra LifeSciences Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 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
- University OF Texas Health Science Center AT San AntonioSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin Mamuyac Lopez among 790 otolaryngology physician records in Texas
Erin Mamuyac Lopez, MD is one of 790 otolaryngology 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 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2017 · median 2003 among the 552 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Texas
There are 790 otolaryngology physician records in Texas.
All 790 in Texas → Every provider in San Antonio → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Patrick Brown, M.D.San Antonio, TX 782291528069325
- Alan Dinesman, M.D.San Antonio, TX 782291710978051
- Daniel Fleming, M.D.San Antonio, TX 782291891797254
- Mark Hatch, M.D.San Antonio, TX 782291821089145
- Diana Henderson, M.D.San Antonio, TX 782291083615884
- Gerald Laursen, MDSan Antonio, TX 782291891799383
- Keiko McManus, M.D.San Antonio, TX 782291568443380
- Thomas Nau, MDSan Antonio, TX 782291942218938
Common questions
What is Erin Mamuyac Lopez, MD's NPI number?
Erin Mamuyac Lopez, MD's National Provider Identifier (NPI) is 1538693106, issued on Apr 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Erin Mamuyac Lopez, MD located?
The NPPES record lists a practice address at 8300 Floyd Curl Dr FL 6, San Antonio, TX, 78229. Phone: (210) 450-9950. Providers update this record themselves, so call before visiting.
How can I verify Erin Mamuyac Lopez, MD's license?
NPPES lists Texas license number U3926, 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 Erin Mamuyac Lopez, MD prescribe under Medicare Part D?
In 2024, Erin Mamuyac Lopez, MD had 125 Medicare Part D claims for 43 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.