Grand Ob-Gyn Medical Group Inc
NPI 1043571599 · Gynecologic Oncology Physician · Montclair, CA
Grand Ob-Gyn Medical Group Inc is a Gynecologic Oncology Physician organization in Montclair, CA (NPI 1043571599).
Provider details
- NPI number
- 1043571599
- Entity type
- Organization
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas Lee, Medical Director(909) 625-0615
- License
- A37294 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Maternal & Fetal Medicine Physician207VM0101X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-05-31
- Last updated
- 2012-06-01
Frequently asked questions
- What is Grand Ob-Gyn Medical Group Inc's NPI number?
- Grand Ob-Gyn Medical Group Inc's National Provider Identifier (NPI) is 1043571599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grand Ob-Gyn Medical Group Inc?
- Grand Ob-Gyn Medical Group Inc is classified in the NPPES registry as Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Grand Ob-Gyn Medical Group Inc located?
- Grand Ob-Gyn Medical Group Inc's practice location on file with NPPES is 4950 San Bernardino St, Montclair, CA 91763-2328.
- What is Grand Ob-Gyn Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Grand Ob-Gyn Medical Group Inc is (909) 625-0615.
- Who is the authorized official for Grand Ob-Gyn Medical Group Inc?
- The authorized official listed on Grand Ob-Gyn Medical Group Inc's NPPES record is Thomas Lee, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grand Ob-Gyn Medical Group Inc's NPI active?
- Yes — Grand Ob-Gyn Medical Group Inc's NPI (1043571599) is active in the NPPES registry as of the last update on 2012-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.