Justin Dorfman, D.O.
NPI 1053339432 · Internal Medicine Physician · Southborough, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Dorfman, D.O. is a Internal Medicine Physician provider in Southborough, MA (NPI 1053339432).
Provider details
- NPI number
- 1053339432
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 226691 (MA)
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
19 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
886 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 201 | $128 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 113 | $71 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 105 | $91 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 71 | $13 |
| Administration of Influenza Virus VaccineG0008 | 61 | $33 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 248 | 92 |
| Lisinopril | 194 | 64 |
| Simvastatin | 182 | 57 |
| Amlodipine Besylate | 116 | 40 |
| Gabapentin | 98 | 34 |
| Levothyroxine Sodium | 94 | 28 |
| Lorazepam | 81 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2011-06-02
Frequently asked questions
- What is Justin Dorfman's NPI number?
- Justin Dorfman's National Provider Identifier (NPI) is 1053339432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Dorfman's specialty?
- Justin Dorfman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Dorfman located?
- Justin Dorfman's practice location on file with NPPES is 24 Newton St, Southborough, MA 01772-1215.
- What is Justin Dorfman's phone number?
- The practice phone number listed in the NPPES registry for Justin Dorfman is (508) 460-3250.
- Does Justin Dorfman accept Medicare?
- Justin Dorfman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Dorfman's NPI active?
- Yes — Justin Dorfman's NPI (1053339432) is active in the NPPES registry as of the last update on 2011-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.