Hikaru Isihara, M.D., PH.D.
NPI 1598750598 · Internal Medicine Physician · Braintree, MA
Hikaru Isihara, M.D., PH.D. is a Internal Medicine Physician provider in Braintree, MA (NPI 1598750598).
Provider details
- NPI number
- 1598750598
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 55750 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-09-15
- Last updated
- 2011-07-12
Frequently asked questions
- What is Hikaru Isihara's NPI number?
- Hikaru Isihara's National Provider Identifier (NPI) is 1598750598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hikaru Isihara's specialty?
- Hikaru Isihara is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hikaru Isihara located?
- Hikaru Isihara's practice location on file with NPPES is 111 Grossman Dr, Braintree, MA 02184-4997.
- What is Hikaru Isihara's phone number?
- The practice phone number listed in the NPPES registry for Hikaru Isihara is (781) 849-2241.
- Is Hikaru Isihara's NPI active?
- Yes — Hikaru Isihara's NPI (1598750598) is active in the NPPES registry as of the last update on 2011-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.