Sacha Z. Niemi, MD
Family Medicine Physician · San Francisco, CA
Sacha Z. Niemi, MD is a family medicine physician with a practice address in San Francisco, California, and NPI 1154359982, issued on Jun 29, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sacha Z. Niemi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0101239382 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1580 Valencia St, San Francisco, CA 94110
- Phone
- (415) 206-7541
- Enumerated
- Jun 29, 2006
- Record last updated
- Aug 6, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (415) 550-6784
- Medicaid ID
- 010285712 VA
- Medicare enrollment
- Enrolled (PECOS I20091121000082); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1580 Valencia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Amirault, CNMAdvanced Practice Midwife1194983627
- Desiree Arretz, M.D.Internal Medicine Physician1760409197
- Dave Atkin, M.D.Orthopaedic Surgery Physician1174543474
- Guadalupe Barragan, F.N.P.Registered Nurse1528084977
- Adrian Bartoli, MD, MSPain Medicine (Anesthesiology) Physician1154448256
- Emily Beck, C.N.M.Advanced Practice Midwife1558381665
Verify Sacha Z. Niemi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average family medicine physician in 2024
4,821 Medicare Part D claims for 423 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 142 claims were for opioids.
Most prescribed
- Atorvastatin Calcium340 claims
- Amlodipine Besylate245 claims
- Losartan Potassium218 claims
- Levothyroxine Sodium187 claims
- Lisinopril117 claims
- Jardiance97 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.
Industry payments in 2024: $385.77
15 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sacha Z. Niemi among 17,133 family medicine physician records in California
Sacha Z. Niemi, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2005 among the 10,652 with a school on file
- Record last updated2014 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joaquin Barahona, M. D.San Francisco, CA 941101205895133
- Luis Bonilla, MDSan Francisco, CA 941101629019708
- Christopher Bositis, MDSan Francisco, CA 941101427054493
- Romilda Foresti-Lorente, MDSan Francisco, CA 941101164455374
- Steven Lawton, MDSan Francisco, CA 941101366486748
- Todd May, MDSan Francisco, CA 941101679528335
- Pooja Mittal, DOSan Francisco, CA 941101215916200
- David Nidorf, MDSan Francisco, CA 941101336186121
Common questions
What is Sacha Z. Niemi, MD's NPI number?
Sacha Z. Niemi, MD's National Provider Identifier (NPI) is 1154359982, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sacha Z. Niemi, MD located?
The NPPES record lists a practice address at 1580 Valencia St, San Francisco, CA, 94110. Phone: (415) 206-7541. Providers update this record themselves, so call before visiting.
How can I verify Sacha Z. Niemi, MD's license?
Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sacha Z. Niemi, MD prescribe under Medicare Part D?
In 2024, Sacha Z. Niemi, MD had 4,821 Medicare Part D claims for 423 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.