Gregory Muir
Pharmacist · Antioch, CA
Gregory Muir is a pharmacist with a practice address in Antioch, California, and NPI 1801208012, issued on May 21, 2014. Check the license (California RPH27269, 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 Muir
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH27269 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3632 Lone Tree Way, Antioch, CA 94509
- Phone
- (925) 754-5288
- Enumerated
- May 21, 2014
- Record last updated
- May 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 3632 Lone Tree Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teresa McNesby, PHARMDPharmacist1912319310
Verify Gregory Muir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH27269Check 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 Muir among 32,533 pharmacist records in California
Gregory Muir is one of 32,533 pharmacist records with a practice address in California. 15% 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 2014, is newer than 35% of them.
- NPI issued2014 · 35% of these records are older, 59% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
108 pharmacist records list a practice address in Antioch
They are 108 of the 2,184 NPPES records with a practice address in Antioch, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 32,533 in California → Every provider in Antioch → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Edith Beckman, PHARMDAntioch, CA 945091609839778
- George Boyd, RPHAntioch, CA 945091619955762
- Matthew Bui, PHARMDAntioch, CA 945091932530342
- Linda Chao, PHARM.D.Antioch, CA 945091811061229
- Satyanarayana Cherukuri, PHARMACISTAntioch, CA 945091154581916
- Huong Lai, PHARMDAntioch, CA 945091679900310
- Jessica Leong, PHARM.D.Antioch, CA 945091407251531
- Teresa McNesby, PHARMDAntioch, CA 945091912319310
Common questions
What is Gregory Muir's NPI number?
Gregory Muir's National Provider Identifier (NPI) is 1801208012, issued on May 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Muir located?
The NPPES record lists a practice address at 3632 Lone Tree Way, Antioch, CA, 94509. Phone: (925) 754-5288. Providers update this record themselves, so call before visiting.
How can I verify Gregory Muir's license?
NPPES lists California license number RPH27269, 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.