Mary L. Froehlich, GNP
Nurse Practitioner · San Francisco, CA
Mary L. Froehlich, GNP is a nurse practitioner with a practice address in San Francisco, California, and NPI 1023222551, issued on May 10, 2007. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary L. Froehlich
- Credential
- GNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- AP2686 AZ
APN.0998278-NP CO
RN2384948 MA
5019562 NC
1126832 TX
and 1 more
Self-reported in NPPES; status is on the state search - Practice location
- 1 Embarcadero Ctr Ste 1900, San Francisco, CA 94111
- Phone
- (888) 663-6331
- Enumerated
- May 10, 2007
- Record last updated
- Apr 18, 2025
- Fax
- (415) 252-7176
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 1 Embarcadero Ctr Ste 1900
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary L. Froehlich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average nurse practitioner in 2024
1,636 Medicare Part D claims for 1,088 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Paxlovid77 claims
- Prednisone75 claims
- Levothyroxine Sodium69 claims
- Amoxicillin55 claims
- Atorvastatin Calcium54 claims
- Rosuvastatin Calcium53 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: $25.88
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 38,884 providers of this specialty with any payment received $791.64 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.
Mary L. Froehlich among 8,223 nurse practitioner records in California
Mary L. Froehlich, GNP is one of 8,223 nurse practitioner records with a practice address in California. 65% 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 18% of them.
- NPI issued2007 · 18% of these records are older, 73% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in San Francisco → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Sameerah Ali, FNP-BCSan Francisco, CA 941111558531566
- Stacey Baldwin, FNP-CSan Francisco, CA 941111285815860
- Veronda Carter-Smith, FNPSan Francisco, CA 941111437286432
- Allyson D'Amico, NPSan Francisco, CA 941111205118858
- Rachel Freitas, N.P.San Francisco, CA 941111225369739
- Marcia Jacobs, F.N.P. - B.C.San Francisco, CA 941111841446556
- Ellen Kato, FNPSan Francisco, CA 941111598044844
- Tessa Lannoy, FNPSan Francisco, CA 941111801170725
Common questions
What is Mary L. Froehlich, GNP's NPI number?
Mary L. Froehlich, GNP's National Provider Identifier (NPI) is 1023222551, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary L. Froehlich, GNP located?
The NPPES record lists a practice address at 1 Embarcadero Ctr Ste 1900, San Francisco, CA, 94111. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Mary L. Froehlich, GNP's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mary L. Froehlich, GNP prescribe under Medicare Part D?
In 2024, Mary L. Froehlich, GNP had 1,636 Medicare Part D claims for 1,088 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.