IndividualActive
Denise Tam, M.D.
NPI 1578511580 · Internal Medicine Physician · Boston, MA
Denise Tam, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1578511580).
Provider details
- NPI number
- 1578511580
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- 223758 (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
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.
Practice location
850 Harrison Ave
Boston, MA 02118-4072
Phone: (617) 638-7970
Street-level locationGet directions
Mailing address
560 Harrison Ave
Boston, MA 02118-2436
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Denise Tam's NPI number?
- Denise Tam's National Provider Identifier (NPI) is 1578511580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Tam's specialty?
- Denise Tam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Denise Tam located?
- Denise Tam's practice location on file with NPPES is 850 Harrison Ave, Boston, MA 02118-4072.
- What is Denise Tam's phone number?
- The practice phone number listed in the NPPES registry for Denise Tam is (617) 638-7970.
- Is Denise Tam's NPI active?
- Yes — Denise Tam's NPI (1578511580) 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.