Grant Andrews, DO
NPI 1396321741 · Internal Medicine Physician · Marysville, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Andrews, DO is a Internal Medicine Physician provider in Marysville, WA (NPI 1396321741).
Provider details
- NPI number
- 1396321741
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OP61521557 (WA)
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
5 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 39 | 30 |
| Amlodipine Besylate | 32 | 20 |
| Lisinopril | 25 | 17 |
| Hydrochlorothiazide | 16 | 14 |
| Losartan Potassium | 15 | 12 |
| Rosuvastatin Calcium | 14 | 11 |
| Spironolactone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 1 record (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
- 2021-03-23
- Last updated
- 2026-06-08
- Certified
- 2026-06-08
Frequently asked questions
- What is Grant Andrews's NPI number?
- Grant Andrews's National Provider Identifier (NPI) is 1396321741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Andrews's specialty?
- Grant Andrews is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Andrews located?
- Grant Andrews's practice location on file with NPPES is 2901 174th St Ne, Marysville, WA 98271-4743.
- What is Grant Andrews's phone number?
- The practice phone number listed in the NPPES registry for Grant Andrews is (360) 454-1900.
- Does Grant Andrews accept Medicare?
- Grant Andrews is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Andrews's NPI active?
- Yes — Grant Andrews's NPI (1396321741) is active in the NPPES registry as of the last update on 2026-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.