David Stein, MD
NPI 1245729656 · Internal Medicine Physician · Westborough, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Stein, MD is a Internal Medicine Physician provider in Westborough, MA (NPI 1245729656).
Provider details
- NPI number
- 1245729656
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 285771 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
509 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 162 | $129 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 104 | $131 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 53 | $182 |
| Administration of Influenza Virus VaccineG0008 | 40 | $33 |
| Admn Sarscov2 Vacc 1 Dose90480 | 33 | $44 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 240 | 93 |
| Amlodipine Besylate | 133 | 52 |
| Lisinopril | 130 | 54 |
| Omeprazole | 90 | 36 |
| Losartan Potassium | 78 | 29 |
| Tamsulosin Hcl | 77 | 33 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$67 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-02
- Last updated
- 2023-08-10
- Certified
- 2023-08-10
Frequently asked questions
- What is David Stein's NPI number?
- David Stein's National Provider Identifier (NPI) is 1245729656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Stein's specialty?
- David Stein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Stein located?
- David Stein's practice location on file with NPPES is 900 Union St, Westborough, MA 01581-5408.
- What is David Stein's phone number?
- The practice phone number listed in the NPPES registry for David Stein is (508) 871-0700.
- Does David Stein accept Medicare?
- David Stein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Stein's NPI active?
- Yes — David Stein's NPI (1245729656) is active in the NPPES registry as of the last update on 2023-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.