IndividualActive
Mary Tanzer, MD
NPI 1306930581 · Internal Medicine Physician · Nashua, NH
Mary Tanzer, MD is a Internal Medicine Physician provider in Nashua, NH (NPI 1306930581).
Provider details
- NPI number
- 1306930581
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 7857 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
Practice location
29 Northwest Blvd
Nashua, NH 03063-4068
Phone: (603) 577-2273
Fax: (603) 577-5191
Street-level locationGet directions
Mailing address
Po Box 3677
Nashua, NH 03061-3677
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2014-07-30
Frequently asked questions
- What is Mary Tanzer's NPI number?
- Mary Tanzer's National Provider Identifier (NPI) is 1306930581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Tanzer's specialty?
- Mary Tanzer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Tanzer located?
- Mary Tanzer's practice location on file with NPPES is 29 Northwest Blvd, Nashua, NH 03063-4068.
- What is Mary Tanzer's phone number?
- The practice phone number listed in the NPPES registry for Mary Tanzer is (603) 577-2273.
- Is Mary Tanzer's NPI active?
- Yes — Mary Tanzer's NPI (1306930581) is active in the NPPES registry as of the last update on 2014-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.