IndividualActive
Richard Grandjean, MD
NPI 1447373675 · Family Medicine Physician · Allen, TX
Richard Grandjean, MD is a Family Medicine Physician provider in Allen, TX (NPI 1447373675).
Provider details
- NPI number
- 1447373675
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- F1602 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
997 Raintree Cir
Suite 180, Lockbox 8
Allen, TX 75013-4949
Phone: (214) 327-3333
Fax: (877) 448-0543
Street-level locationGet directions
Mailing address
997 Raintree Cir
Allen, TX 75013-4949
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2013-02-19
Frequently asked questions
- What is Richard Grandjean's NPI number?
- Richard Grandjean's National Provider Identifier (NPI) is 1447373675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Grandjean's specialty?
- Richard Grandjean is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Grandjean located?
- Richard Grandjean's practice location on file with NPPES is 997 Raintree Cir, Allen, TX 75013-4949.
- What is Richard Grandjean's phone number?
- The practice phone number listed in the NPPES registry for Richard Grandjean is (214) 327-3333.
- Is Richard Grandjean's NPI active?
- Yes — Richard Grandjean's NPI (1447373675) is active in the NPPES registry as of the last update on 2013-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.