Christopher Gross, MD
NPI 1336251305 · Psychiatry Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Gross, MD is a Psychiatry Physician provider in Seattle, WA (NPI 1336251305).
Provider details
- NPI number
- 1336251305
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00045621 (WA)
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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 168 | 22 |
| Haloperidol | 132 | — |
| Benztropine Mesylate | 117 | 11 |
| Paliperidone Palmitatebrand: Invega Sustenna | 109 | 13 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 98 | 12 |
| Risperidone | 66 | — |
| Naloxone Hcl | 54 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2025-06-27
- Certified
- 2025-06-27
Frequently asked questions
- What is Christopher Gross's NPI number?
- Christopher Gross's National Provider Identifier (NPI) is 1336251305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Gross's specialty?
- Christopher Gross is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Gross located?
- Christopher Gross's practice location on file with NPPES is 5300 Tallman Ave Nw, Seattle, WA 98107-3932.
- What is Christopher Gross's phone number?
- The practice phone number listed in the NPPES registry for Christopher Gross is (206) 320-2230.
- Does Christopher Gross accept Medicare?
- Christopher Gross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Gross's NPI active?
- Yes — Christopher Gross's NPI (1336251305) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.