NPPES file of Aug 9, 2026

Peter Orrin Rostenberg, MD

Internal Medicine Physician · New Fairfield, CT

Peter Orrin Rostenberg, MD is an internal medicine physician with a practice address in New Fairfield, Connecticut, and NPI 1538272117, issued on Aug 16, 2006. Check the license (Connecticut 17077, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1538272117
Name
Peter Orrin Rostenberg
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
17077 CT
Self-reported in NPPES; status is on the state search
Practice location
71 Route 39, New Fairfield, CT 06812
Phone
(203) 746-3300
Enumerated
Aug 16, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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.
Download card Updates feed

Verify Peter Orrin Rostenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 17077
    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
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Peter Orrin Rostenberg among 2,623 internal medicine physician records in Connecticut

Peter Orrin Rostenberg, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 52% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 internal medicine physician records list a practice address in New Fairfield

They are 6 of the 122 NPPES records with a practice address in New Fairfield, and 2,623 internal medicine physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. William Biles, M.D.New Fairfield, CT 068121275557167
  2. Roger Karlin, MDNew Fairfield, CT 068121700894177
  3. Patrice Thornton, MDNew Fairfield, CT 068121205824455
  4. Dorothy Williams, M.D.New Fairfield, CT 068121962439794
  5. Gary Yacono, M.D.New Fairfield, CT 068121740298322
  6. Michael Gerstenfeld, M.D.Danbury, CT 068111740311208
  7. Sadikshya Bhandari, MDDanbury, CT 068101942995931
  8. Tapasya Bhusal, M.DDanbury, CT 068101427747658

Common questions

What is Peter Orrin Rostenberg, MD's NPI number?

Peter Orrin Rostenberg, MD's National Provider Identifier (NPI) is 1538272117, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter Orrin Rostenberg, MD located?

The NPPES record lists a practice address at 71 Route 39, New Fairfield, CT, 06812. Phone: (203) 746-3300. Providers update this record themselves, so call before visiting.

How can I verify Peter Orrin Rostenberg, MD's license?

NPPES lists Connecticut license number 17077, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.