Amy Nichols Bossen, M.D.
Internal Medicine Physician · San Francisco, CA
Amy Nichols Bossen, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1558371260, issued on Aug 8, 2006. Check the license (California G54885, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Amy Nichols Bossen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G54885 CA
Self-reported in NPPES; status is on the state search - Practice location
- 909 Hyde St, San Francisco, CA 94109
- Phone
- (415) 885-5888
- Enumerated
- Aug 8, 2006
- Record last updated
- May 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (415) 885-5886
- Medicaid ID
- 00BY957A00 CA
- Entity
- Type 1 · individual
Also registered at 909 Hyde St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Amy Nichols Bossen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
379 Medicare Part D claims for 32 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium30 claims
- Pravastatin Sodium17 claims
- Levothyroxine Sodium16 claims
- Synthroid13 claims
- Balsalazide Disodium11 claims
- Clonazepam11 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: $67.60
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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.
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 1,318 in San Francisco → All 17,696 in California → Every provider in San Francisco →
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- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Amy Nichols Bossen, M.D.'s NPI number?
Amy Nichols Bossen, M.D.'s National Provider Identifier (NPI) is 1558371260, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amy Nichols Bossen, M.D. located?
The NPPES record lists a practice address at 909 Hyde St, San Francisco, CA, 94109. Phone: (415) 885-5888. Providers update this record themselves, so call before visiting.
How can I verify Amy Nichols Bossen, M.D.'s license?
NPPES lists California license number G54885, as entered by the provider. 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 Amy Nichols Bossen, M.D. prescribe under Medicare Part D?
In 2024, Amy Nichols Bossen, M.D. had 379 Medicare Part D claims for 32 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.