Isadora Guggenheim, FNP
Nurse Practitioner · Nyack, NY
Isadora Guggenheim, FNP is a nurse practitioner with a practice address in Nyack, New York, and NPI 1851551519, issued on Jun 16, 2008. Check the license (New York F342569-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isadora Guggenheim
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- F342569-01 NY
000303 CT
Self-reported in NPPES; status is on the state search - Practice location
- 8 Rockland Place, Nyack, NY 10960
- Phone
- (845) 893-2608
- Enumerated
- Jun 16, 2008
- Record last updated
- Oct 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (845) 358-2963
- Entity
- Type 1 · individual
Verify Isadora Guggenheim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F342569-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nurse practitioner in 2024
19 Medicare Part D claims for 14 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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.
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Common questions
What is Isadora Guggenheim, FNP's NPI number?
Isadora Guggenheim, FNP's National Provider Identifier (NPI) is 1851551519, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Isadora Guggenheim, FNP located?
The NPPES record lists a practice address at 8 Rockland Place, Nyack, NY, 10960. Phone: (845) 893-2608. Providers update this record themselves, so call before visiting.
How can I verify Isadora Guggenheim, FNP's license?
NPPES lists New York license number F342569-01, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Isadora Guggenheim, FNP prescribe under Medicare Part D?
In 2024, Isadora Guggenheim, FNP had 19 Medicare Part D claims for 14 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.