NPPES file of Aug 9, 2026

Ivan K. Ip, M.D., MPH

Internal Medicine Physician · Nashua, NH

Ivan K. Ip, M.D., MPH is an internal medicine physician with a practice address in Nashua, New Hampshire, and NPI 1144480138, issued on Jun 12, 2008. Check the license (New Hampshire 15576, 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
1144480138
Name
Ivan K. Ip
Credential
M.D., MPH
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
15576 NH
250364 MA
Self-reported in NPPES; status is on the state search
Practice location
172 Kinsley St, Nashua, NH 03060
Phone
(978) 312-4323
Enumerated
Jun 12, 2008
Record last updated
Jul 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid IDs
1020607 VT
32001419 NH
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 internal medicine physician records → All 673 in New Hampshire → Look up another NPI →

Also registered at 172 Kinsley St

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

  1. Andrew Abatiell, M.D.Anesthesiology Physician1457589269
  2. Amy Alvarez-Perez, MDHospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician1609897263
  3. Kimberly Badessa, APRNFamily Nurse Practitioner1750769469
  4. Joan Boutwell, APRNNurse Practitioner1730414913
  5. Pauline Boyce, PA-C, PTPhysician Assistant1497801351
  6. Casey CampbellFamily Nurse Practitioner1417595331

Verify Ivan K. Ip 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 15576    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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Ivan K. Ip among 673 internal medicine physician records in New Hampshire

Ivan K. Ip, M.D., MPH is one of 673 internal medicine physician records with a practice address in New Hampshire. 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 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 39% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2021 · 53% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

75 internal medicine physician records list a practice address in Nashua

They are 75 of the 3,140 NPPES records with a practice address in Nashua, and 673 internal medicine physician records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 673 in New Hampshire → Every provider in Nashua → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Alexander, M.D.Nashua, NH 030601144259508
  2. Alexis-Ann Bundschuh, MDNashua, NH 030601366416109
  3. Candice Camacho, MDNashua, NH 030601447231584
  4. Joseph Cherayil, MDNashua, NH 030601396798070
  5. Mitchell Cohen, M.D.Nashua, NH 030601972589208
  6. Sandhya Dasari, MDNashua, NH 030601417929076
  7. Shaji Habeebulla, MDNashua, NH 030601922095348
  8. Amjad Husain, MDNashua, NH 030601952391849

Common questions

What is Ivan K. Ip, M.D., MPH's NPI number?

Ivan K. Ip, M.D., MPH's National Provider Identifier (NPI) is 1144480138, issued on Jun 12, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ivan K. Ip, M.D., MPH located?

The NPPES record lists a practice address at 172 Kinsley St, Nashua, NH, 03060. Phone: (978) 312-4323. Providers update this record themselves, so call before visiting.

How can I verify Ivan K. Ip, M.D., MPH's license?

NPPES lists New Hampshire license number 15576, 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.