Andrew Grossman, ARNP
NPI 1134483266 · Adult Health Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Grossman, ARNP is a Adult Health Nurse Practitioner provider in Seattle, WA (NPI 1134483266).
Provider details
- NPI number
- 1134483266
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- AP60282819 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 94 | 12 |
| Apixabanbrand: Eliquis | 87 | — |
| Empagliflozinbrand: Jardiance | 86 | — |
| Lisinopril | 75 | — |
| Trazodone Hcl | 68 | 11 |
| Diclofenac Sodium | 64 | — |
| Atorvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-03
- Last updated
- 2012-07-03
Frequently asked questions
- What is Andrew Grossman's NPI number?
- Andrew Grossman's National Provider Identifier (NPI) is 1134483266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Grossman's specialty?
- Andrew Grossman is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrew Grossman located?
- Andrew Grossman's practice location on file with NPPES is 5223 Kensington Pl N, Seattle, WA 98103-6225.
- What is Andrew Grossman's phone number?
- The practice phone number listed in the NPPES registry for Andrew Grossman is (206) 498-0453.
- Does Andrew Grossman accept Medicare?
- Andrew Grossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Grossman's NPI active?
- Yes — Andrew Grossman's NPI (1134483266) is active in the NPPES registry as of the last update on 2012-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.