IndividualActive
John Cowl, MD
NPI 1235277492 · Psychiatry Physician · Duxbury, MA
John Cowl, MD is a Psychiatry Physician provider in Duxbury, MA (NPI 1235277492).
Provider details
- NPI number
- 1235277492
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 152619 (MA)
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
113 Tremont St
Duxbury, MA 02332-4753
Phone: (781) 934-6226
Fax: (781) 934-7037
Street-level locationGet directions
Mailing address
Po Box 187
North Pembroke, MA 02358-0187
Registry dates
- Enumerated
- 2007-02-01
- Last updated
- 2007-07-11
Frequently asked questions
- What is John Cowl's NPI number?
- John Cowl's National Provider Identifier (NPI) is 1235277492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cowl's specialty?
- John Cowl is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Cowl located?
- John Cowl's practice location on file with NPPES is 113 Tremont St, Duxbury, MA 02332-4753.
- What is John Cowl's phone number?
- The practice phone number listed in the NPPES registry for John Cowl is (781) 934-6226.
- Is John Cowl's NPI active?
- Yes — John Cowl's NPI (1235277492) is active in the NPPES registry as of the last update on 2007-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.