NPPES file of Aug 9, 2026

Phat Co Nguyen, D.O.

Internal Medicine Physician · Manchester, NH

Phat Co Nguyen, D.O. is an internal medicine physician with a practice address in Manchester, New Hampshire, and NPI 1881636777, issued on Jun 12, 2006. Check the license (New Hampshire 10829, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881636777
Name
Phat Co Nguyen
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
10829 NH
Self-reported in NPPES; status is on the state search
Practice location
100 Hitchcock Way, Manchester, NH 03104
Phone
(603) 695-2500
Enumerated
Jun 12, 2006
Record last updated
Jul 20, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
30221182 NH
Medicare enrollment
Enrolled (PECOS I20060111000570); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 Hitchcock Way

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

  1. David Abels, M.D.Specialist1720035199
  2. Stephanie Ackerson, MSN, APRN, CDCESNurse Practitioner1477083038
  3. Jason Akerman, MDUrology Physician1003475914
  4. Sally Alwan, MDFamily Medicine Physician1255546115
  5. Angelina Androsova, PAPhysician Assistant1174829048
  6. Gerald Angoff, M.D.Cardiovascular Disease Physician1215999305

Verify Phat Co Nguyen 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 10829
    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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73% more Medicare Part D claims than the average internal medicine physician in 2024

5,479 Medicare Part D claims for 525 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Phat Nguyen5,479
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium566 claims
  2. Lisinopril386 claims
  3. Losartan Potassium338 claims
  4. Amlodipine Besylate307 claims
  5. Metformin Hcl Er219 claims
  6. Levothyroxine Sodium193 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 81.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.1
  2. Costout of 100 · 30%59.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Weeks Medical CenterLancaster, NH · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

95 internal medicine physician records list a practice address in Manchester

They are 95 of the 4,401 NPPES records with a practice address in Manchester, and 673 internal medicine physician records in New Hampshire.

Other internal medicine physician records in New Hampshire

  1. Lauren Abbott, MDPortsmouth, NH1619597234
  2. Moaz AbdelrehimManchester, NH1962064790
  3. Champa Abeysinghe, M.D.New London, NH1629257134
  4. Munder Abuaisha, MDManchester, NH1265926406
  5. Indira AcharyaLebanon, NH1407428600
  6. Lisa Adams, MDLebanon, NH1912225186
  7. Ogechi Agogbuo, MDNew London, NH1265007595
  8. Anardi Agosto, M.D.Keene, NH1487090700
  9. Asma Ahmed, MDNashua, NH1972788073
  10. Annie Airey, DOLaconia, NH1487395141

Common questions

What is Phat Co Nguyen, D.O.'s NPI number?

Phat Co Nguyen, D.O.'s National Provider Identifier (NPI) is 1881636777, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Phat Co Nguyen, D.O. located?

The NPPES record lists a practice address at 100 Hitchcock Way, Manchester, NH, 03104. Phone: (603) 695-2500. Providers update this record themselves, so call before visiting.

How can I verify Phat Co Nguyen, D.O.'s license?

NPPES lists New Hampshire license number 10829, 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.

How much does Phat Co Nguyen, D.O. prescribe under Medicare Part D?

In 2024, Phat Co Nguyen, D.O. had 5,479 Medicare Part D claims for 525 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Phat Co Nguyen, D.O.'s MIPS final score?

The 2023 MIPS final score is 81.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.