Calvin L. Day, M.D.
MOHS-Micrographic Surgery Physician · San Antonio, TX
Calvin L. Day, M.D. is a mohs-micrographic surgery physician with a practice address in San Antonio, Texas, and NPI 1831379692, issued on Nov 9, 2007. Check the license (Texas G1883, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Calvin L. Day
- Credential
- M.D.
- Primary taxonomy
- MOHS-Micrographic Surgery Physician 207ND0101X
- License number
- G1883 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7979 Broadway Ste 202, San Antonio, TX 78209
- Phone
- (210) 601-6502
- Enumerated
- Nov 9, 2007
- Record last updated
- Aug 25, 2023
- Fax
- (830) 885-6691
- Medicare enrollment
- Enrolled (PECOS I20050321000421); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1976
- Entity
- Type 1 · individual
Verify Calvin L. Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G1883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average mohs-micrographic surgery physician in 2024
835 Medicare Part D claims for 309 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Imiquimod174 claims
- Gentamicin Sulfate134 claims
- Cephalexin78 claims
- Terbinafine Hcl78 claims
- Doxycycline Hyclate71 claims
- Clobetasol Propionate66 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $94.99
1 payment: education; the largest payer was Janssen Biotech, Inc. The 1,074 providers of this specialty with any payment received $4,075.23 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.
MOHS-Micrographic Surgery Physician providers in Texas
There are 122 mohs-micrographic surgery physician records in Texas.
Other mohs-micrographic surgery physician records in Texas
- Nader Aboul-Fettouh, MDAllen, TX1508360298
- Amir Aboutalebi, M.D.North Richland Hills, TX1437470382
- Eric Adelman, D.O.Georgetown, TX1194766444
- John AdnotFort Worth, TX1619070968
- Russell Akin, M.D.Midland, TX1346432440
- Yasser Albahrani, M.D.Desoto, TX1427284710
- Suzanne Alkul, MDHouston, TX1245723543
- Ashish ArshanapalliMansfield, TX1639563505
- Stephen Beck, MDTyler, TX1063490472
- Sanjay Bhambri, DORockwall, TX1275702656
Common questions
What is Calvin L. Day, M.D.'s NPI number?
Calvin L. Day, M.D.'s National Provider Identifier (NPI) is 1831379692, issued on Nov 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Calvin L. Day, M.D. located?
The NPPES record lists a practice address at 7979 Broadway Ste 202, San Antonio, TX, 78209. Phone: (210) 601-6502. Providers update this record themselves, so call before visiting.
How can I verify Calvin L. Day, M.D.'s license?
NPPES lists Texas license number G1883, 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 Calvin L. Day, M.D. prescribe under Medicare Part D?
In 2024, Calvin L. Day, M.D. had 835 Medicare Part D claims for 309 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. Part D covers Medicare prescriptions only.
What is Calvin L. Day, M.D.'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.