IndividualActive
Frank Speizer, MD
NPI 1962596239 · Internal Medicine Physician · Boston, MA
Frank Speizer, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1962596239).
Provider details
- NPI number
- 1962596239
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30894 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
181 Longwood Avenue
Brigham and Womens Hospital Channing Laboratory
Boston, MA 02115
Phone: (617) 525-2275
Fax: (617) 525-2066
Street-level locationGet directions
Mailing address
181 Longwood Avenue
Boston, MA 02115
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Frank Speizer's NPI number?
- Frank Speizer's National Provider Identifier (NPI) is 1962596239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Speizer's specialty?
- Frank Speizer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Speizer located?
- Frank Speizer's practice location on file with NPPES is 181 Longwood Avenue, Boston, MA 02115.
- What is Frank Speizer's phone number?
- The practice phone number listed in the NPPES registry for Frank Speizer is (617) 525-2275.
- Is Frank Speizer's NPI active?
- Yes — Frank Speizer's NPI (1962596239) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.