Gregory Nelson Hayner, PHARM.D.
Pharmacotherapy Pharmacist · South San Francisco, CA
Gregory Nelson Hayner, PHARM.D. is a pharmacotherapy pharmacist with a practice address in South San Francisco, California, and NPI 1578634721, issued on Nov 10, 2006. Check the license (California RPH31416, 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 Nelson Hayner
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacotherapy Pharmacist 1835P1200X
- License number
- RPH31416 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 EL Camino Real, South San Francisco, CA 94080
- Phone
- (650) 742-7242
- Enumerated
- Nov 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 742-7254
- Entity
- Type 1 · individual
Also registered at 1200 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Adams, PHARMDPharmacist1902338486
- Kristine Aguirre, RRTRegistered Respiratory Therapist1528539996
- Lena AlazzehPhysical Therapist1629739859
- Kate AlbeePhysical Therapist1053464495
- Jason Anderson, MDHospitalist Physician1831277466
- Karl Anderson, MDUrology Physician1700964301
Verify Gregory Nelson Hayner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH31416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pharmacotherapy Pharmacist providers in California
There are 605 pharmacotherapy pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 605 in California → Every provider in South San Francisco →
Other pharmacotherapy pharmacist records in California
- Danny Abifadel, PHARM.D.Chico, CA1427245455
- Nidhu Abraham, PHARM.D., BCPSPalo Alto, CA1023543717
- Wayne Adams, PHARMD.Pasadena, CA1215760178
- Edwin Adlam, PHARMD, CGPSanta Barbara, CA1225026305
- Dele Akao, PHARM.D., BCPSValencia, CA1013127588
- Barbara Albrecht, PHARM. D.Los Angeles, CA1811083876
- Victoria Aldridge, PHARM.D.San Diego, CA1245247733
- Chris AmadiSacramento, CA1902655129
- Cheryl Amin, PHARMDSan Francisco, CA1780748715
- Allen AmirantNorth Hills, CA1639273659
Common questions
What is Gregory Nelson Hayner, PHARM.D.'s NPI number?
Gregory Nelson Hayner, PHARM.D.'s National Provider Identifier (NPI) is 1578634721, issued on Nov 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Nelson Hayner, PHARM.D. located?
The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 742-7242. Providers update this record themselves, so call before visiting.
How can I verify Gregory Nelson Hayner, PHARM.D.'s license?
NPPES lists California license number RPH31416, 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.