Don Nguyen, M.D.
NPI 1427012665 · Internal Medicine Physician · Lancaster, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Don Nguyen, M.D. is a Internal Medicine Physician provider in Lancaster, PA (NPI 1427012665).
Provider details
- NPI number
- 1427012665
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD064532L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
22 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
66 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $118 |
Typical Medicare-allowed amounts for these services range $84–$118 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 541 | 44 |
| Apixabanbrand: Eliquis | 238 | 17 |
| Metoprolol Succinate | 238 | 24 |
| Levothyroxine Sodium | 233 | 26 |
| Tamsulosin Hcl | 219 | 16 |
| Furosemide | 209 | 23 |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (21)
- 1135 Georgetown Rd Unit 201Christiana, PA 17509-9543Phone: (717) 466-2462Fax: (717) 798-8433
- 1400 Blackhorse Hill RdCoatesville, PA 19320-2040Phone: (610) 384-7711
- 1400 Blackhorse Hill RdCoatesville, PA 19320-2040Phone: (610) 384-7711
- 770 Broad StEast Earl, PA 17519-9752Phone: (717) 445-4576Fax: (717) 445-4483
- 1635 W Main St Ste 700Ephrata, PA 17522-1147Phone: (717) 738-2468Fax: (717) 715-1416
- 446 N Reading Rd Ste 301Ephrata, PA 17522-9802Phone: (717) 733-6546Fax: (717) 733-6011
- 808 Pleasantview DrEphrata, PA 17522-1644Phone: (717) 733-9090Fax: (717) 733-8982
- 136 Lake StreetBrossman Center for HealthEphrata, PA 17522-2415Phone: (717) 721-7718Fax: (717) 721-7726
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2024-02-14
- Certified
- 2024-02-13
Frequently asked questions
- What is Don Nguyen's NPI number?
- Don Nguyen's National Provider Identifier (NPI) is 1427012665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Don Nguyen's specialty?
- Don Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Don Nguyen located?
- Don Nguyen's practice location on file with NPPES is 1625 Oregon Pike, Lancaster, PA 17601.
- What is Don Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Don Nguyen is (717) 925-2995.
- Does Don Nguyen accept Medicare?
- Don Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Don Nguyen's NPI active?
- Yes — Don Nguyen's NPI (1427012665) is active in the NPPES registry as of the last update on 2024-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.