Allison Caren Grimes, M.D.
Pediatric Hematology & Oncology Physician · San Antonio, TX
Allison Caren Grimes, M.D. is a pediatric hematology & oncology physician with a practice address in San Antonio, Texas, and NPI 1639305113, issued on Jun 10, 2009. Check the license (Texas P4171, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Allison Caren Grimes
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- P4171 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4502 Medical Dr, San Antonio, TX 78229
- Phone
- (210) 358-4000
- Enumerated
- Jun 10, 2009
- Record last updated
- Nov 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140825002366); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2009
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 319 in Texas → Look up another NPI →
Also registered at 4502 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jordan Abel, M.D.Infectious Disease Physician1417273301
- Aesha Aboueisha, MDHospitalist Physician1225527815
- Seena Abraham, MDFamily Medicine Physician1306338561
Verify Allison Caren Grimes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P4171Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 89.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $72.43
3 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 1,215 providers of this specialty with any payment received $7,404.07 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
- Community Medicine AssociatesSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Caren Grimes among 319 pediatric hematology & oncology physician records in Texas
Allison Caren Grimes, M.D. is one of 319 pediatric hematology & oncology physician records with a practice address in Texas. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 41% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2009 · median 2008 among the 103 with a school on file
- Record last updated2017 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Texas
There are 319 pediatric hematology & oncology physician records in Texas.
All 319 in Texas → Every provider in San Antonio → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Ka Wah Chan, M.D.San Antonio, TX 782291134186034
- Jaime Estrada, MDSan Antonio, TX 782291396792065
- Maria Falcon-Cantrill, MDSan Antonio, TX 782291972784239
- Melissa Frei-Jones, MD, MSCISan Antonio, TX 782291316133119
- Vinod Gidvani-Diaz, MDSan Antonio, TX 782291568492387
- Della Howell, M.D.San Antonio, TX 782291457383994
- Anne-Marie Langevin, MDSan Antonio, TX 782291700993870
- Lisa Madden, MDSan Antonio, TX 782291861526048
Common questions
What is Allison Caren Grimes, M.D.'s NPI number?
Allison Caren Grimes, M.D.'s National Provider Identifier (NPI) is 1639305113, issued on Jun 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Allison Caren Grimes, M.D. located?
The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 358-4000. Providers update this record themselves, so call before visiting.
How can I verify Allison Caren Grimes, M.D.'s license?
NPPES lists Texas license number P4171, 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.
What is Allison Caren Grimes, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.