John Nguyen, M.D.
NPI 1407083223 · Family Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Nguyen, M.D. is a Family Medicine Physician provider in Boston, MA (NPI 1407083223).
Provider details
- NPI number
- 1407083223
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 226172 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,456 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 595 | $151 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 464 | $64 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 398 | $83 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 362 | $120 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 273 | $83 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-18
- Last updated
- 2023-03-13
- Certified
- 2023-03-13
Frequently asked questions
- What is John Nguyen's NPI number?
- John Nguyen's National Provider Identifier (NPI) is 1407083223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nguyen's specialty?
- John Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Nguyen located?
- John Nguyen's practice location on file with NPPES is 110 Francis St, Boston, MA 02215-5501.
- What is John Nguyen's phone number?
- The practice phone number listed in the NPPES registry for John Nguyen is (617) 632-9236.
- Does John Nguyen accept Medicare?
- John Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Nguyen's NPI active?
- Yes — John Nguyen's NPI (1407083223) is active in the NPPES registry as of the last update on 2023-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.