NPPES file of Aug 9, 2026

Charles Gordon Grant, MD

Emergency Medicine Physician · San Diego, CA

Charles Gordon Grant, MD is an emergency medicine physician with a practice address in San Diego, California, and NPI 1710475306, issued on Apr 29, 2018. Check the license (California A165716, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710475306
Name
Charles Gordon Grant
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A165716 CA
Self-reported in NPPES; status is on the state search
Practice location
9455 Clairemont Mesa Blvd, San Diego, CA 92123
Phone
(858) 266-5000
Enumerated
Apr 29, 2018
Record last updated
Jul 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220815002320); accepts Medicare assignment
Medical or professional school
Wright State University Boonshoft School Of Medicine, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9455 Clairemont Mesa Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sheebah Aazami, RTGeneral Care Registered Respiratory Therapist1598243230
  2. Whigmass Abegaz, ASCPPathology Specialist/Technologist1740767896
  3. Stephanie Acrey, RRTNeonatal/Pediatric Certified Respiratory Therapist1215417290
  4. Michael Ahmu, RRTRegistered Respiratory Therapist1922588169
  5. Peter AllenRegistered Respiratory Therapist1457835480
  6. Aurie-Ann AnchoCertified Respiratory Therapist1033698667

Verify Charles Gordon Grant in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A165716
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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27% more Medicare Part D claims than the average emergency medicine physician in 2024

286 Medicare Part D claims for 215 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 31 claims were for opioids.

  1. Charles Grant286
  2. Specialty average226

Most prescribed

  1. Prednisone52 claims
  2. Ondansetron Odt41 claims
  3. Hydrocodone-Acetaminophen21 claims
  4. Cephalexin20 claims
  5. Cefpodoxime Proxetil15 claims
  6. Azithromycin13 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

  1. Emergency Group OF Columbus LLCColumbus, GA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Charles Gordon Grant among 7,751 emergency medicine physician records in California

Charles Gordon Grant, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 81% of them.

  • NPI issued2018 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2018 · median 2011 among the 4,560 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joseph Bellezzo, M.D.San Diego, CA 921231760450340
  2. William Carter, M.D.San Diego, CA 921231457329062
  3. Delbert Clark, D.O.San Diego, CA 921231194799593
  4. Heather Conrad, M.D.San Diego, CA 921231205813409
  5. Andrew Desjardins, M.D.San Diego, CA 921231396713103
  6. William Fornaciari, M.D.San Diego, CA 921231083682546
  7. Lolie Fromm, M.D.San Diego, CA 921231457329096
  8. Arthur Gruen, M.D.San Diego, CA 921231376511303

Common questions

What is Charles Gordon Grant, MD's NPI number?

Charles Gordon Grant, MD's National Provider Identifier (NPI) is 1710475306, issued on Apr 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Charles Gordon Grant, MD located?

The NPPES record lists a practice address at 9455 Clairemont Mesa Blvd, San Diego, CA, 92123. Phone: (858) 266-5000. Providers update this record themselves, so call before visiting.

How can I verify Charles Gordon Grant, MD's license?

NPPES lists California license number A165716, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles Gordon Grant, MD prescribe under Medicare Part D?

In 2024, Charles Gordon Grant, MD had 286 Medicare Part D claims for 215 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.