Frederick John Frensilli, M.D.
Specialist · Washington, DC
Frederick John Frensilli, M.D. is a specialist with a practice address in Washington, District of Columbia, and NPI 1295750198, issued on Jul 12, 2006. Check the license (District of Columbia MD5202, as entered in NPPES) with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Frederick John Frensilli
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- MD5202 DC
Self-reported in NPPES; status is on the state search - Practice location
- 3301 New Mexico Ave NW, Washington, DC 20016
- Phone
- (202) 537-3331
- Enumerated
- Jul 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (202) 686-8275
- Entity
- Type 1 · individual
8 nearest specialist records → All 151 in District of Columbia → Look up another NPI →
Also registered at 3301 New Mexico Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frederick John Frensilli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license MD5202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Frederick John Frensilli among 151 specialist records in District of Columbia
Frederick John Frensilli, M.D. is one of 151 specialist records with a practice address in District of Columbia. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 58% newer
- In a Medicare fileNo · 23% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2007 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in District of Columbia
There are 151 specialist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 151 in District of Columbia → Every provider in Washington → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Irene Gage, M.D.Washington, DC 200161265433544
- Lisa Ginn, M.D.Washington, DC 200161578701678
- Smitha Gollamudi, M.D.Washington, DC 200161073514352
- John Lordan, MDWashington, DC 200161588602023
- Vikrom Mahat, M.D.Washington, DC 200161982660858
- Leonard McPherson, OT/LWashington, DC 200161841663135
- Ronald Perlman, M.D.Washington, DC 200161730280207
- Anita Philip, MDWashington, DC 200161306884291
Common questions
What is Frederick John Frensilli, M.D.'s NPI number?
Frederick John Frensilli, M.D.'s National Provider Identifier (NPI) is 1295750198, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick John Frensilli, M.D. located?
The NPPES record lists a practice address at 3301 New Mexico Ave NW, Washington, DC, 20016. Phone: (202) 537-3331. Providers update this record themselves, so call before visiting.
How can I verify Frederick John Frensilli, M.D.'s license?
NPPES lists District of Columbia license number MD5202, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity 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. 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.