Mary Dowd, MD
NPI 1356305411 · Family Medicine Physician · Portland, ME
Enrolled with Medicare as Practitioner - Addiction Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Dowd, MD is a Family Medicine Physician provider in Portland, ME (NPI 1356305411).
Provider details
- NPI number
- 1356305411
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 013040 (ME)
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 141 | 17 |
| Buprenorphine Hcl | 61 | — |
| Oxazepam | 29 | — |
| Phenobarbital | 22 | 11 |
| Buprenorphine Hcl/Naloxone Hclbrand: Suboxone | 20 | — |
| Gabapentin | 16 | — |
| Chlordiazepoxide Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2008-03-03
Frequently asked questions
- What is Mary Dowd's NPI number?
- Mary Dowd's National Provider Identifier (NPI) is 1356305411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Dowd's specialty?
- Mary Dowd is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Dowd located?
- Mary Dowd's practice location on file with NPPES is 63 Preble St, Portland, ME 04101-3014.
- What is Mary Dowd's phone number?
- The practice phone number listed in the NPPES registry for Mary Dowd is (207) 822-0232.
- Does Mary Dowd accept Medicare?
- Mary Dowd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Dowd's NPI active?
- Yes — Mary Dowd's NPI (1356305411) is active in the NPPES registry as of the last update on 2008-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.