Debra R. Grannick, PHARM.D.
Pharmacist · San Diego, CA
Debra R. Grannick, PHARM.D. is a pharmacist with a practice address in San Diego, California, and NPI 1811138159, issued on Mar 17, 2009. Check the license (California 42880, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Debra R. Grannick
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 42880 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4605 Morena Blvd, San Diego, CA 92117
- Phone
- (858) 581-4550
- Enumerated
- Mar 17, 2009
- Record last updated
- Mar 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (858) 581-4424
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 4605 Morena Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paula Dittmar, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1457636938
- Simon Hoang, PHARM. D.Pharmacist1720322183
- Jennifer Hwang, PHARMDPharmacist1053028449
- Solbee Kim, O.D.Optometrist1285087593
- Sean Kuhn, O.D.Optometrist1922528702
Verify Debra R. Grannick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 42880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
73 Medicare Part D claims for 68 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Abrysvo36 claims
- Shingrix20 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.
Debra R. Grannick among 32,533 pharmacist records in California
Debra R. Grannick, 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 2009, is newer than 11% of them.
- NPI issued2009 · 11% of these records are older, 88% 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 updated2009 · 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).
1,555 pharmacist records list a practice address in San Diego
They are 1,555 of the 52,937 NPPES records with a practice address in San Diego, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Diego → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Elisa Almera, RPHSan Diego, CA 921171932360575
- Ellis BlochSan Diego, CA 921171033422993
- Marilyn Grieco, RPHSan Diego, CA 921171417263211
- Brad Heiner, PHARM.D.San Diego, CA 921171447440136
- Teresita Lao, PHARMACISTSan Diego, CA 921171992015960
- Lien LySan Diego, CA 921171114247731
- Joyce Misleh, RPHSan Diego, CA 921171285909374
- Heidi Naylor, PHARMDSan Diego, CA 921171811283583
Common questions
What is Debra R. Grannick, PHARM.D.'s NPI number?
Debra R. Grannick, PHARM.D.'s National Provider Identifier (NPI) is 1811138159, issued on Mar 17, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Debra R. Grannick, PHARM.D. located?
The NPPES record lists a practice address at 4605 Morena Blvd, San Diego, CA, 92117. Phone: (858) 581-4550. Providers update this record themselves, so call before visiting.
How can I verify Debra R. Grannick, PHARM.D.'s license?
NPPES lists California license number 42880, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Debra R. Grannick, PHARM.D. prescribe under Medicare Part D?
In 2024, Debra R. Grannick, PHARM.D. had 73 Medicare Part D claims for 68 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.