Shirley Siu Heinemann, PHARMD
Pharmacotherapy Pharmacist · Petaluma, CA
Shirley Siu Heinemann, PHARMD is a pharmacotherapy pharmacist with a practice address in Petaluma, California, and NPI 1265521348, issued on Oct 12, 2006. Check the license (California RPH 48368, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shirley Siu Heinemann
- Credential
- PHARMD
- Primary taxonomy
- Pharmacotherapy Pharmacist 1835P1200X
- License number
- RPH 48368 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3900 Lakeville Highway, Petaluma, CA 94952
- Phone
- (707) 765-3530
- Enumerated
- Oct 12, 2006
- Record last updated
- Nov 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (707) 765-3816
- Entity
- Type 1 · individual
8 nearest pharmacotherapy pharmacist records → All 605 in California → Look up another NPI →
Verify Shirley Siu Heinemann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH 48368Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average pharmacotherapy pharmacist in 2024
299 Medicare Part D claims for 259 beneficiaries, against an average of 395 among the 208 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Paxlovid144 claims
- Losartan Potassium27 claims
- Amlodipine Besylate19 claims
- Hydrochlorothiazide14 claims
- Chlorthalidone11 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.
Shirley Siu Heinemann among 605 pharmacotherapy pharmacist records in California
Shirley Siu Heinemann, PHARMD is one of 605 pharmacotherapy pharmacist records with a practice address in California. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 60% newer
- In a Medicare fileYes · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2021 · 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 1835P1200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pharmacotherapy Pharmacist providers in California
There are 605 pharmacotherapy pharmacist records in California.
All 605 in California → Every provider in Petaluma → Pharmacotherapy Pharmacist nationwide →
The 8 pharmacotherapy pharmacist records with the nearest ZIP codes
- Christopher Holtzer, PHARM.D.San Anselmo, CA 949601073899902
- Matthew Gutierrez, PHARM.D.Larkspur, CA 949391619349552
- Pamela Manwaring, R.PH, FASCPFairfax, CA 949301770779639
- Michael Lim, RPHTiburon, CA 949201326639709
- Phoebe Lee, PHARMDMilpitas, CA 950351750449864
- Tsunnum Malik, PHARMDSanta Clara, CA 950511619594587
- Thomas Takashima, PHARM.D.Santa Clara, CA 950511447337720
- Iqbal GillSanta Clara, CA 950541528467396
Common questions
What is Shirley Siu Heinemann, PHARMD's NPI number?
Shirley Siu Heinemann, PHARMD's National Provider Identifier (NPI) is 1265521348, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shirley Siu Heinemann, PHARMD located?
The NPPES record lists a practice address at 3900 Lakeville Highway, Petaluma, CA, 94952. Phone: (707) 765-3530. Providers update this record themselves, so call before visiting.
How can I verify Shirley Siu Heinemann, PHARMD's license?
NPPES lists California license number RPH 48368, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Shirley Siu Heinemann, PHARMD prescribe under Medicare Part D?
In 2024, Shirley Siu Heinemann, PHARMD had 299 Medicare Part D claims for 259 beneficiaries; the average among pharmacotherapy pharmacist prescribers was 395. 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.