Martha Plack, RN
Nurse Practitioner · San Francisco, CA
Martha Plack, RN is a nurse practitioner with a practice address in San Francisco, California, and NPI 1891531349, issued on Jul 3, 2024. Check the license (California 95212247, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Plack
- Credential
- RN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95212247 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Franklin St, San Francisco, CA 94109
- Phone
- (415) 474-7310
- Enumerated
- Jul 3, 2024
- Record last updated
- Sep 18, 2024
- Medicare enrollment
- Enrolled (PECOS I20241003002708); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 1500 Franklin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adrienne Abad SantosOther Technician1588976435
- Elaina Acosta Ford, RNRegistered Nurse1912386657
- Nayeli AmaroMarriage & Family Therapist1053045849
- Peg AndersonMarriage & Family Therapist1184340101
- Valeria Araujo, MFTIMarriage & Family Therapist1659799963
- Nolawit AyeleProfessional Counselor1215271366
Verify Martha Plack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95212247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average nurse practitioner in 2024
139 Medicare Part D claims for 16 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Divalproex Sodium Er23 claims
- Benztropine Mesylate12 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.
Bills Medicare through one group practice
- Felton InstituteSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Plack among 8,223 nurse practitioner records in California
Martha Plack, RN 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 2024, is newer than 87% of them.
- NPI issued2024 · 87% of these records are older, 7% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2024 · median 2017 among the 3,425 with a school on file
- Record last updated2024 · 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
- Anjali Asrani, NPSan Francisco, CA 941091184279770
- Sergio Azzolino, NPSan Francisco, CA 941091336307370
- Meghan Cadena, PMHNP-BCSan Francisco, CA 941091538463260
- Svetlana Gorbunova, NPSan Francisco, CA 941091730275710
- Karolina Harger, N.P.San Francisco, CA 941091538455605
- Jennifer Hurley, CNM, NP-CSan Francisco, CA 941091588183099
- Simranjit Khatra, NP-CSan Francisco, CA 941091922438456
- Jennifer Nathanson, MSN, NPSan Francisco, CA 941091972517118
Common questions
What is Martha Plack, RN's NPI number?
Martha Plack, RN's National Provider Identifier (NPI) is 1891531349, issued on Jul 3, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Martha Plack, RN located?
The NPPES record lists a practice address at 1500 Franklin St, San Francisco, CA, 94109. Phone: (415) 474-7310. Providers update this record themselves, so call before visiting.
How can I verify Martha Plack, RN's license?
NPPES lists California license number 95212247, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Martha Plack, RN prescribe under Medicare Part D?
In 2024, Martha Plack, RN had 139 Medicare Part D claims for 16 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.