Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT
Physician Assistant · Tewksbury, MA
Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT is a physician assistant with a practice address in Tewksbury, Massachusetts, and NPI 1851931430, issued on Jan 10, 2020. Check the license (Massachusetts PA8277, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ocean Ngoc Nguyen
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA8277 MA
Self-reported in NPPES; status is on the state search - Practice location
- 345 Main St, Tewksbury, MA 01876
- Phone
- (978) 851-4683
- Enumerated
- Jan 10, 2020
- Record last updated
- Jul 11, 2024
- Fax
- (978) 710-5054
- Medicare enrollment
- Enrolled (PECOS I20230824001952); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 345 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Brown, PA-CPhysician Assistant1184233264
Verify Ocean Ngoc Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA8277Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
233 Medicare Part D claims for 185 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Cephalexin35 claims
- Amoxicillin-Clavulanate Potass23 claims
- Prednisone18 claims
- Azithromycin17 claims
- Ofloxacin14 claims
- Albuterol Sulfate Hfa13 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.
Bills Medicare through 3 group practices
- Carewell Urgent Care Centers OF MA, PCTewksbury, MA
- Convenientmd - Ffs UC LLCHudson, MA
- Urgent Care Centers OF Central Massachusetts LLCMarlborough, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ocean Ngoc Nguyen among 4,713 physician assistant records in Massachusetts
Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2020 · median 2019 among the 3,217 with a school on file
- Record last updated2024 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 physician assistant records list a practice address in Tewksbury
They are 8 of the 423 NPPES records with a practice address in Tewksbury, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Tewksbury → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Alexa Aboshar, PA-CTewksbury, MA 018761245623578
- Lauren Bregoli, PA-STewksbury, MA 018761316817687
- Jeffrey Brown, PA-CTewksbury, MA 018761184233264
- Leila CampleseTewksbury, MA 018761750124848
- Patrick Canavan, PA-CTewksbury, MA 018761194434951
- Sarah Clarke, PA-CTewksbury, MA 018761801239157
- Margaret Walsh, PA-CTewksbury, MA 018761205424439
- John FrazierTyngsboro, MA 018791073131330
Common questions
What is Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT's NPI number?
Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1851931430, issued on Jan 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 345 Main St, Tewksbury, MA, 01876. Phone: (978) 851-4683. Providers update this record themselves, so call before visiting.
How can I verify Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT's license?
NPPES lists Massachusetts license number PA8277, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Ocean Ngoc Nguyen, PHYSICIAN ASSISTANT had 233 Medicare Part D claims for 185 beneficiaries; the average among physician assistant prescribers was 830. 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.