Stacy Engel, M.D.
NPI 1649364738 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stacy Engel, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1649364738).
Provider details
- NPI number
- 1649364738
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 154119 (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
409 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 | 163 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 75 | $196 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 59 | $141 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 34 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $99 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 147 | 51 |
| Lisinopril | 120 | 33 |
| Levothyroxine Sodium | 109 | 27 |
| Amlodipine Besylate | 102 | 34 |
| Omeprazole | 76 | 27 |
| Losartan Potassium | 72 | 22 |
| Hydrochlorothiazide | 68 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2012-08-02
Frequently asked questions
- What is Stacy Engel's NPI number?
- Stacy Engel's National Provider Identifier (NPI) is 1649364738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stacy Engel's specialty?
- Stacy Engel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stacy Engel located?
- Stacy Engel's practice location on file with NPPES is 55 Fruit St., Boston, MA 02114-2696.
- What is Stacy Engel's phone number?
- The practice phone number listed in the NPPES registry for Stacy Engel is (617) 724-6700.
- Does Stacy Engel accept Medicare?
- Stacy Engel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stacy Engel's NPI active?
- Yes — Stacy Engel's NPI (1649364738) is active in the NPPES registry as of the last update on 2012-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.