Tamara Melissa Grissell, FNP
Family Nurse Practitioner · Castleton, NY
Tamara Melissa Grissell, FNP is a family nurse practitioner with a practice address in Castleton, New York, and NPI 1467495002, issued on Jun 13, 2006. Check the license (New York F333342, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tamara Melissa Grissell
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- F333342 NY
RN2283141 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Empire State Blvd, Castleton, NY 12033
- Phone
- (518) 479-6837
- Enumerated
- Jun 13, 2006
- Record last updated
- Mar 26, 2024
- Fax
- (518) 479-6849
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 10 Empire State Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tamara Melissa Grissell 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 F333342Check 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 33 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Valacyclovir15 claims
- Estradiol11 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: $56.17
3 payments; by number, the most common kind was food and beverage; the largest payer was Shield Therapeutics Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Tamara Melissa Grissell among 14,805 family nurse practitioner records in New York
Tamara Melissa Grissell, FNP 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- 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 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).
11 family nurse practitioner records list a practice address in Castleton
They are 11 of the 159 NPPES records with a practice address in Castleton, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Castleton → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Madeline Amedore, FNP-BCCastleton, NY 120331952148017
- Ingrid Blydenburgh, FNPCastleton, NY 120331811245657
- Alissa Carter, FNPCastleton, NY 120331073079828
- Betsy Chavez Morales, NPCastleton, NY 120331962247890
- McKenzie Conroy, FNPCastleton, NY 120331740766039
- Michael Dulay, MS, FNP-CCastleton, NY 120331528494317
- Eleanor Fiacco, FNP-BCCastleton, NY 120331679142376
- Elizabeth Jensen, NPCastleton, NY 120331801421060
Common questions
What is Tamara Melissa Grissell, FNP's NPI number?
Tamara Melissa Grissell, FNP's National Provider Identifier (NPI) is 1467495002, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tamara Melissa Grissell, FNP located?
The NPPES record lists a practice address at 10 Empire State Blvd, Castleton, NY, 12033. Phone: (518) 479-6837. Providers update this record themselves, so call before visiting.
How can I verify Tamara Melissa Grissell, FNP's license?
NPPES lists New York license number F333342, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Tamara Melissa Grissell, FNP prescribe under Medicare Part D?
In 2024, Tamara Melissa Grissell, FNP had 64 Medicare Part D claims for 33 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.