NPPES file of Aug 9, 2026

Robert Graves Koch, M.D.

Emergency Medicine Physician · Nashua, NH

Robert Graves Koch, M.D. is an emergency medicine physician with a practice address in Nashua, New Hampshire, and NPI 1891885174, issued on Oct 15, 2006. Check the license (New Hampshire 6735, as entered in NPPES) on the New Hampshire Board of Medicine; 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
1891885174
Name
Robert Graves Koch
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
6735 NH
Self-reported in NPPES; status is on the state search
Practice location
8 Prospect St, Nashua, NH 03060
Phone
(603) 577-2500
Enumerated
Oct 15, 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.
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8 nearest emergency medicine physician records → All 351 in New Hampshire → Look up another NPI →

Also registered at 8 Prospect St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Douglas Allen, D.O.Anesthesiology Physician1528098837
  2. Allisa Alpert, DOInternal Medicine Physician1851880447
  3. Tahani Alturkistani, M.DDiagnostic Radiology Physician1396975496
  4. Valerie Atkins, MDNeonatal-Perinatal Medicine Physician1073605218
  5. Brett BakerSurgery Physician1700272333
  6. Chad Bandosz, PAPhysician Assistant1912635178

Verify Robert Graves Koch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 6735    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 New Hampshire 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.

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Robert Graves Koch among 351 emergency medicine physician records in New Hampshire

Robert Graves Koch, M.D. is one of 351 emergency medicine physician records with a practice address in New Hampshire. 76% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 53% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in New Hampshire

There are 351 emergency medicine physician records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 351 in New Hampshire → Every provider in Nashua → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joseph Cardeiro, M.D.Nashua, NH 030601659470714
  2. John Chretien, M.D.Nashua, NH 030601841390556
  3. Richard Gilston, MDNashua, NH 030601255406088
  4. Peter Gould, DONashua, NH 030601083789812
  5. Elizabeth Karagosian, MDNashua, NH 030601912090267
  6. Norman Kossayda, MDNashua, NH 030601215958418
  7. Joseph Leahy, D.O.Nashua, NH 030601770671604
  8. Brian Lohnes, DONashua, NH 030601386653145

Common questions

What is Robert Graves Koch, M.D.'s NPI number?

Robert Graves Koch, M.D.'s National Provider Identifier (NPI) is 1891885174, issued on Oct 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Graves Koch, M.D. located?

The NPPES record lists a practice address at 8 Prospect St, Nashua, NH, 03060. Phone: (603) 577-2500. Providers update this record themselves, so call before visiting.

How can I verify Robert Graves Koch, M.D.'s license?

NPPES lists New Hampshire license number 6735, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.