Gregory Ambrose, PHARM D
Ambulatory Care Pharmacist · San Diego, CA
Gregory Ambrose, PHARM D is an ambulatory care pharmacist with a practice address in San Diego, California, and NPI 1649637265, issued on Jan 27, 2016. Check the license (California 42991, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory Ambrose
- Credential
- PHARM D
- Primary taxonomy
- Ambulatory Care Pharmacist 1835P2201X
- License number
- 42991 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3558 Ruffin RD, San Diego, CA 92123
- Phone
- (858) 627-5644
- Enumerated
- Jan 27, 2016
- Record last updated
- Feb 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (858) 636-2236
- Entity
- Type 1 · individual
8 nearest ambulatory care pharmacist records → All 485 in California → Look up another NPI →
Also registered at 3558 Ruffin RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark CampbellPharmacist1124546205
- Tina Conlee, PHARM.D.Pharmacist1568826535
- Amit GajiparaPharmacist1700737772
- Catherine Gelfgren, RPHPharmacist1275990830
- Angelica Picado, PHARMD, CGPPharmacist1013142926
- Paula Katrina Reyes, RPHPharmacist1417611781
Verify Gregory Ambrose in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 42991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory Ambrose among 485 ambulatory care pharmacist records in California
Gregory Ambrose, PHARM D is one of 485 ambulatory care pharmacist records with a practice address in California. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 16% of them.
- NPI issued2016 · 16% of these records are older, 67% newer
- In a Medicare fileNo · 39% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P2201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ambulatory Care Pharmacist providers in California
There are 485 ambulatory care pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 485 in California → Every provider in San Diego → Ambulatory Care Pharmacist nationwide →
The 8 ambulatory care pharmacist records with the nearest ZIP codes
- Ty RickSan Diego, CA 921231508223124
- Zahra Siddiqui, PHARMDSan Diego, CA 921231558081059
- Betty Richardson, R.PH.San Diego, CA 921211992207591
- Jill Krongard, PHARM.DSan Diego, CA 921271952986895
- Aravinda Thatte, RPH, PHDSan Diego, CA 921271154701613
- Bharat Mehta, PHARMDSan Diego, CA 921291467907949
- Yuen Ng, PHARMDSan Diego, CA 921301366927915
- Yongbin Im, PHARM.D.San Diego, CA 921111548708555
Common questions
What is Gregory Ambrose, PHARM D's NPI number?
Gregory Ambrose, PHARM D's National Provider Identifier (NPI) is 1649637265, issued on Jan 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Ambrose, PHARM D located?
The NPPES record lists a practice address at 3558 Ruffin RD, San Diego, CA, 92123. Phone: (858) 627-5644. Providers update this record themselves, so call before visiting.
How can I verify Gregory Ambrose, PHARM D's license?
NPPES lists California license number 42991, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.