NPPES file of Aug 9, 2026

Kathryn Jean Ryznal, FNP

Nurse Practitioner · San Francisco, CA

Kathryn Jean Ryznal, FNP is a nurse practitioner with a practice address in San Francisco, California, and NPI 1972081701, issued on Aug 2, 2018. Check the license (California 95017824, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972081701
Name
Kathryn Jean Ryznal
Credential
FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
95017824 CA
APRN01869 RI
Self-reported in NPPES; status is on the state search
Practice location
2 Embarcadero Ctr, San Francisco, CA 94111
Phone
(415) 578-3100
Enumerated
Aug 2, 2018
Record last updated
Mar 14, 2025
Fax
(415) 252-7176
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2 Embarcadero Ctr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elizabeth Baker, FNP-CFamily Nurse Practitioner1265085138
  2. Bridgette Beattie, PA-CPhysician Assistant1457924235
  3. Haley Bogdanovich, PA-CPhysician Assistant1891285995
  4. Dena Bushman, RN, NP, MPHAdult Health Nurse Practitioner1487900940
  5. Ivy Chua, MSN, FNPFamily Nurse Practitioner1053568402
  6. Bernadette Donovan, NPAdult Health Nurse Practitioner1942536131

Verify Kathryn Jean Ryznal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95017824    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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95% fewer Medicare Part D claims than the average nurse practitioner in 2024

53 Medicare Part D claims for 28 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Kathryn Ryznal53
  2. Specialty average1,109

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.

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

All 8,223 in California → Every provider in San Francisco →

Other nurse practitioner records in California

  1. Barbara Aaronson, RN/NURSE PRACTITONERLos Angeles, CA1588988182
  2. Albert Aba, AGNPSan Francisco, CA1578353777
  3. Martha Ababneh, CNAEl Monte, CA1275118614
  4. Maria Katrina Abad, AGPCNP-BCSan Carlos, CA1306394952
  5. Shayda Abadi, NPPalo Alto, CA1316745540
  6. Jessika Abarca, NPSan Fernando, CA1972263945
  7. Hangama Abassi, N.P.Walnut Creek, CA1487083655
  8. Elizabeth Abaunza, NPSan Francisco, CA1962044347
  9. Honeylynn Abaya, NPMoreno Valley, CA1528799145
  10. Tara Abbondanza, NPArcadia, CA1730355173

Common questions

What is Kathryn Jean Ryznal, FNP's NPI number?

Kathryn Jean Ryznal, FNP's National Provider Identifier (NPI) is 1972081701, issued on Aug 2, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Jean Ryznal, FNP located?

The NPPES record lists a practice address at 2 Embarcadero Ctr, San Francisco, CA, 94111. Phone: (415) 578-3100. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Jean Ryznal, FNP's license?

NPPES lists California license number 95017824, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kathryn Jean Ryznal, FNP prescribe under Medicare Part D?

In 2024, Kathryn Jean Ryznal, FNP had 53 Medicare Part D claims for 28 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.