Mark Blackwood, MD
NPI 1376599217 · Family Medicine Physician · Durham, NH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Blackwood, MD is a Family Medicine Physician provider in Durham, NH (NPI 1376599217).
Provider details
- NPI number
- 1376599217
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 8732 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 65 | 42 |
| Levothyroxine Sodium | 45 | 31 |
| Amlodipine Besylate | 45 | 27 |
| Omeprazole | 37 | 16 |
| Lisinopril | 34 | 20 |
| Apixabanbrand: Eliquis | 30 | — |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2014-02-17
Frequently asked questions
- What is Mark Blackwood's NPI number?
- Mark Blackwood's National Provider Identifier (NPI) is 1376599217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Blackwood's specialty?
- Mark Blackwood is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Blackwood located?
- Mark Blackwood's practice location on file with NPPES is 36 Madbury Rd, Durham, NH 03824-2021.
- What is Mark Blackwood's phone number?
- The practice phone number listed in the NPPES registry for Mark Blackwood is (603) 868-5080.
- Does Mark Blackwood accept Medicare?
- Mark Blackwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Blackwood's NPI active?
- Yes — Mark Blackwood's NPI (1376599217) is active in the NPPES registry as of the last update on 2014-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.