Amber Louise McElfresh, PHARM. D.
Pharmacist · San Francisco, CA
Amber Louise McElfresh, PHARM. D. is a pharmacist with a practice address in San Francisco, California, and NPI 1750585022, issued on Jun 12, 2007. Check the license (California 58967, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amber Louise McElfresh
- Credential
- PHARM. D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 58967 CA
Self-reported in NPPES; status is on the state search - Practice location
- 995 Potrero Ave, San Francisco, CA 94110
- Phone
- (415) 206-2443
- Enumerated
- Jun 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 502-9568
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 995 Potrero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Amber Louise McElfresh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 58967Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average pharmacist in 2024
388 Medicare Part D claims for 50 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.
Most prescribed
- Warfarin Sodium136 claims
- Lisinopril33 claims
- Atorvastatin Calcium24 claims
- Amlodipine Besylate20 claims
- Trazodone Hcl15 claims
- Losartan Potassium14 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.
Amber Louise McElfresh among 32,533 pharmacist records in California
Amber Louise McElfresh, PHARM. D. 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. Its NPI, issued in 2007, is newer than 6% of them.
- NPI issued2007 · 6% of these records are older, 91% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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).
1,180 pharmacist records list a practice address in San Francisco
They are 1,180 of the 38,143 NPPES records with a practice address in San Francisco, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Francisco → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Mitchell Andrews, RPHSan Francisco, CA 941101316041882
- Christie Biggins, PHDSan Francisco, CA 941101003102328
- Nicholas Checket, PHARM.D.San Francisco, CA 941101285952457
- Stephen Echaves, PHARM.D.San Francisco, CA 941101750393351
- Lisa Englert, PHARMDSan Francisco, CA 941101770681801
- Linda Hui, PHARMDSan Francisco, CA 941101912205147
- Sharonlee Kotabe, PHARMDSan Francisco, CA 941101427135870
- Rita Lam, PHARMDSan Francisco, CA 941101710166814
Common questions
What is Amber Louise McElfresh, PHARM. D.'s NPI number?
Amber Louise McElfresh, PHARM. D.'s National Provider Identifier (NPI) is 1750585022, issued on Jun 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Amber Louise McElfresh, PHARM. D. located?
The NPPES record lists a practice address at 995 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 206-2443. Providers update this record themselves, so call before visiting.
How can I verify Amber Louise McElfresh, PHARM. D.'s license?
NPPES lists California license number 58967, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Amber Louise McElfresh, PHARM. D. prescribe under Medicare Part D?
In 2024, Amber Louise McElfresh, PHARM. D. had 388 Medicare Part D claims for 50 beneficiaries; the average among pharmacist prescribers was 119. 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.