IndividualActive
Mark Byers, PH.D.
NPI 1386673242 · Counseling Psychologist · Cambridge, MA
Mark Byers, PH.D. is a Counseling Psychologist provider in Cambridge, MA (NPI 1386673242).
Provider details
- NPI number
- 1386673242
- Entity type
- Individual
- Primary specialty
- Counseling PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1030 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
2 Arnold Cir
Cambridge, MA 02139-2213
Phone: (617) 899-4654
Street-level locationGet directions
Mailing address
21 Rockwood Ter
Auburndale, MA 02466-1805
Registry dates
- Enumerated
- 2006-07-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Byers's NPI number?
- Mark Byers's National Provider Identifier (NPI) is 1386673242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Byers's specialty?
- Mark Byers is listed in the NPPES registry with a primary specialty of Counseling Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Byers located?
- Mark Byers's practice location on file with NPPES is 2 Arnold Cir, Cambridge, MA 02139-2213.
- What is Mark Byers's phone number?
- The practice phone number listed in the NPPES registry for Mark Byers is (617) 899-4654.
- Is Mark Byers's NPI active?
- Yes — Mark Byers's NPI (1386673242) 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.