Heather Wark, MD
NPI 1063422749 · Internal Medicine Physician · Northampton, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Wark, MD is a Internal Medicine Physician provider in Northampton, MA (NPI 1063422749).
Provider details
- NPI number
- 1063422749
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 76508 (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
753 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) |
|---|---|---|
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifiG0317 | 167 | $28 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 152 | $71 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 132 | $102 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 111 | $145 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 96 | $171 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 196 | 15 |
| Furosemide | 79 | 17 |
| Atorvastatin Calcium | 79 | 14 |
| Metoprolol Tartrate | 62 | 12 |
| Rivaroxabanbrand: Xarelto | 61 | — |
| Sertraline Hcl | 55 | — |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-08
- Last updated
- 2021-04-09
- Certified
- 2021-04-09
Frequently asked questions
- What is Heather Wark's NPI number?
- Heather Wark's National Provider Identifier (NPI) is 1063422749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Wark's specialty?
- Heather Wark is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Wark located?
- Heather Wark's practice location on file with NPPES is 548 Elm St, Northampton, MA 01060-2832.
- What is Heather Wark's phone number?
- The practice phone number listed in the NPPES registry for Heather Wark is (413) 586-3150.
- Does Heather Wark accept Medicare?
- Heather Wark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Wark's NPI active?
- Yes — Heather Wark's NPI (1063422749) is active in the NPPES registry as of the last update on 2021-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.