Patrick Phong Nguyen, DO
Family Medicine Physician · Merrimack, NH
Patrick Phong Nguyen, DO is a family medicine physician with a practice address in Merrimack, New Hampshire, and NPI 1841256559, issued on Apr 21, 2006. Check the license (New Hampshire 14089, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Patrick Phong Nguyen
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 14089 NH
Self-reported in NPPES; status is on the state search - Practice location
- 399 Daniel Webster Hwy, Merrimack, NH 03054
- Phone
- (603) 429-3155
- Enumerated
- Apr 21, 2006
- Record last updated
- Dec 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (603) 424-8693
- Medicaid ID
- 001708039 PA
- Medicare enrollment
- Enrolled (PECOS I20081106000191); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Also registered at 399 Daniel Webster Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kateryna ChepenkoInfectious Disease Physician1215516729
- Elizabeth Clark, M.D.Infectious Disease Physician1437111796
- Roma Cruz-King, MDInfectious Disease Physician1396901609
Verify Patrick Phong Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 14089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average family medicine physician in 2024
1,948 Medicare Part D claims for 296 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 82 claims were for opioids.
Most prescribed
- Amlodipine Besylate114 claims
- Atorvastatin Calcium108 claims
- Levothyroxine Sodium72 claims
- Lisinopril66 claims
- Lorazepam60 claims
- Omeprazole51 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.
Industry payments in 2024: $190.40
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Foundation Medical Partners IncMilford, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Phong Nguyen among 816 family medicine physician records in New Hampshire
Patrick Phong Nguyen, DO is one of 816 family medicine physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 43% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1995 · median 2003 among the 498 with a school on file
- Record last updated2016 · 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 207Q00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Merrimack
They are 16 of the 270 NPPES records with a practice address in Merrimack, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Merrimack → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas Astolfi, M.DMerrimack, NH 030541689650665
- William Blackwood, M.D.Merrimack, NH 030541346226107
- Archie Dickinson, MDMerrimack, NH 030541518143650
- Holly Drexler, M.D.Merrimack, NH 030541790761542
- Debra Garlin, DOMerrimack, NH 030541679537690
- Edward Hall, M.D.Merrimack, NH 030541083622674
- Ewa Jankowska, MDMerrimack, NH 030541659682961
- Nicola Kernan, M.D.Merrimack, NH 030541093791832
Common questions
What is Patrick Phong Nguyen, DO's NPI number?
Patrick Phong Nguyen, DO's National Provider Identifier (NPI) is 1841256559, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Phong Nguyen, DO located?
The NPPES record lists a practice address at 399 Daniel Webster Hwy, Merrimack, NH, 03054. Phone: (603) 429-3155. Providers update this record themselves, so call before visiting.
How can I verify Patrick Phong Nguyen, DO's license?
NPPES lists New Hampshire license number 14089, 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 Patrick Phong Nguyen, DO prescribe under Medicare Part D?
In 2024, Patrick Phong Nguyen, DO had 1,948 Medicare Part D claims for 296 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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. 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.