Alyssa M. Shaffer, CRNP
Family Nurse Practitioner · New York, NY
Alyssa M. Shaffer, CRNP is a family nurse practitioner with a practice address in New York, New York, and NPI 1750825170, issued on Dec 5, 2016. Check the license (New York 355551, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alyssa M. Shaffer
- Credential
- CRNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 355551 NY
SP016848 PA
95034563 CA
NP500125551 DC
TPAN2660 FL
and 10 more
Self-reported in NPPES; status is on the state search - Practice location
- 228 Park Ave S Ste 16389, New York, NY 10003
- Phone
- (646) 876-8455
- Enumerated
- Dec 5, 2016
- Record last updated
- Apr 2, 2026
- Medicaid ID
- 103425124 PA
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 228 Park Ave S Ste 16389
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alyssa M. Shaffer 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 355551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
64 Medicare Part D claims for 23 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole15 claims
- Pantoprazole Sodium13 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.
The MIPS final score for 2023 (Medicare payment program): 93.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Alyssa M. Shaffer among 14,805 family nurse practitioner records in New York
Alyssa M. Shaffer, CRNP is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 37% of them.
- NPI issued2016 · 37% of these records are older, 58% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2026 · 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 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,365 family nurse practitioner records list a practice address in New York
They are 2,365 of the 98,468 NPPES records with a practice address in New York, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in New York → Family Nurse Practitioner nationwide →
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Common questions
What is Alyssa M. Shaffer, CRNP's NPI number?
Alyssa M. Shaffer, CRNP's National Provider Identifier (NPI) is 1750825170, issued on Dec 5, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa M. Shaffer, CRNP located?
The NPPES record lists a practice address at 228 Park Ave S Ste 16389, New York, NY, 10003. Phone: (646) 876-8455. Providers update this record themselves, so call before visiting.
How can I verify Alyssa M. Shaffer, CRNP's license?
NPPES lists New York license number 355551, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Alyssa M. Shaffer, CRNP prescribe under Medicare Part D?
In 2024, Alyssa M. Shaffer, CRNP had 64 Medicare Part D claims for 23 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Alyssa M. Shaffer, CRNP's MIPS final score?
The 2023 MIPS final score is 93.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.