Mark Jacobs, MD
NPI 1487638409 · Cardiovascular Disease Physician · Willimantic, CT
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Jacobs, MD is a Cardiovascular Disease Physician provider in Willimantic, CT (NPI 1487638409).
Provider details
- NPI number
- 1487638409
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9159 (NH)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
378 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 104 | $69 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 79 | $8 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 41 | $188 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 36 | $14 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 28 | $76 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 124 | 45 |
| Atorvastatin Calcium | 77 | 35 |
| Apixabanbrand: Eliquis | 55 | 18 |
| Lisinopril | 45 | 17 |
| Amlodipine Besylate | 37 | — |
| Carvedilol | 20 | — |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$107 across 5 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
Additional practice locations (1)
- 9 Healthcare Dr Ste 105Biddeford, ME 04005-9445Phone: (207) 282-3666
Registry dates
- Enumerated
- 2005-12-02
- Last updated
- 2023-08-01
- Certified
- 2023-08-01
Frequently asked questions
- What is Mark Jacobs's NPI number?
- Mark Jacobs's National Provider Identifier (NPI) is 1487638409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Jacobs's specialty?
- Mark Jacobs is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Jacobs located?
- Mark Jacobs's practice location on file with NPPES is 5 Founders St Ste 102, Willimantic, CT 06226-2050.
- What is Mark Jacobs's phone number?
- The practice phone number listed in the NPPES registry for Mark Jacobs is (860) 456-2898.
- Does Mark Jacobs accept Medicare?
- Mark Jacobs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Jacobs's NPI active?
- Yes — Mark Jacobs's NPI (1487638409) is active in the NPPES registry as of the last update on 2023-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.