April Marie Calderon, DO
Family Medicine Physician · Austin, TX
April Marie Calderon, DO is a family medicine physician with a practice address in Austin, Texas, and NPI 1437475191, issued on Apr 20, 2010. Check the license (Texas N4971, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- April Marie Calderon
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- N4971 TX
Self-reported in NPPES; status is on the state search - Practice location
- 711 W 38TH St Ste D1, Austin, TX 78705
- Phone
- (512) 887-3955
- Enumerated
- Apr 20, 2010
- Record last updated
- Sep 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Verify April Marie Calderon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N4971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
52 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin12 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.
April Marie Calderon among 11,119 family medicine physician records in Texas
April Marie Calderon, DO is one of 11,119 family 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 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
544 family medicine physician records list a practice address in Austin
They are 544 of the 26,585 NPPES records with a practice address in Austin, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Austin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mary Bartz, M.D.Austin, TX 787051659321123
- Cynthia Brinson, M.D.Austin, TX 787051093766396
- Tuyet Fannin, DOAustin, TX 787051235126194
- James Hahn, MDAustin, TX 787051457330292
- Michael Killian, M.D.Austin, TX 787051851342026
- James Lambeth, M.D.Austin, TX 787051205888419
- Charles Lindsey, MDAustin, TX 787051306820949
- Manuel Martin, M.D.Austin, TX 787051710981402
Common questions
What is April Marie Calderon, DO's NPI number?
April Marie Calderon, DO's National Provider Identifier (NPI) is 1437475191, issued on Apr 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is April Marie Calderon, DO located?
The NPPES record lists a practice address at 711 W 38TH St Ste D1, Austin, TX, 78705. Phone: (512) 887-3955. Providers update this record themselves, so call before visiting.
How can I verify April Marie Calderon, DO's license?
NPPES lists Texas license number N4971, 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 April Marie Calderon, DO prescribe under Medicare Part D?
In 2024, April Marie Calderon, DO had 52 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.