OrganizationActive
Hannah Grossman
NPI 1629306253 · Gynecology Physician · Thousand Oaks, CA
Hannah Grossman is a Gynecology Physician organization in Thousand Oaks, CA (NPI 1629306253).
Provider details
- NPI number
- 1629306253
- Entity type
- Organization
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Hannah Grossman, Owner(805) 498-0240
- License
- G051580 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
558 N Ventu Park Rd
Suite a
Thousand Oaks, CA 91320-2718
Phone: (805) 498-0240
Fax: (818) 817-9835
Street-level locationGet directions
Mailing address
558 N Ventu Park Rd
Thousand Oaks, CA 91320-2718
Registry dates
- Enumerated
- 2009-11-19
- Last updated
- 2009-11-19
Frequently asked questions
- What is Hannah Grossman's NPI number?
- Hannah Grossman's National Provider Identifier (NPI) is 1629306253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hannah Grossman?
- Hannah Grossman is classified in the NPPES registry as Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Hannah Grossman located?
- Hannah Grossman's practice location on file with NPPES is 558 N Ventu Park Rd, Thousand Oaks, CA 91320-2718.
- What is Hannah Grossman's phone number?
- The practice phone number listed in the NPPES registry for Hannah Grossman is (805) 498-0240.
- Who is the authorized official for Hannah Grossman?
- The authorized official listed on Hannah Grossman's NPPES record is Hannah Grossman, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hannah Grossman's NPI active?
- Yes — Hannah Grossman's NPI (1629306253) is active in the NPPES registry as of the last update on 2009-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.