Phillip Grob, M. D.
NPI 1588725253 · Geriatric Psychiatry Physician · Santa Rosa, CA
Phillip Grob, M. D. is a Geriatric Psychiatry Physician provider in Santa Rosa, CA (NPI 1588725253).
Provider details
- NPI number
- 1588725253
- Entity type
- Individual
- Primary specialty
- Geriatric Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- No
- License
- G85079 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 264 | 30 |
| Lorazepam | 199 | 43 |
| Clozapine | 177 | 11 |
| Trazodone Hcl | 125 | 29 |
| Buspirone Hcl | 111 | 17 |
| Aripiprazole | 107 | 14 |
| Mirtazapine | 105 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$546 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2014-07-08
Frequently asked questions
- What is Phillip Grob's NPI number?
- Phillip Grob's National Provider Identifier (NPI) is 1588725253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phillip Grob's specialty?
- Phillip Grob is listed in the NPPES registry with a primary specialty of Geriatric Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Phillip Grob located?
- Phillip Grob's practice location on file with NPPES is 339 College Ave, Santa Rosa, CA 95401-5117.
- What is Phillip Grob's phone number?
- The practice phone number listed in the NPPES registry for Phillip Grob is (707) 573-0223.
- Is Phillip Grob's NPI active?
- Yes — Phillip Grob's NPI (1588725253) is active in the NPPES registry as of the last update on 2014-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.