Holly Bays, MD
NPI 1457462756 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Bays, MD is a Family Medicine Physician provider in Seattle, WA (NPI 1457462756).
Provider details
- NPI number
- 1457462756
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00036495 (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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 152 | 46 |
| Levothyroxine Sodium | 94 | 25 |
| Lisinopril | 63 | 23 |
| Losartan Potassium | 55 | 19 |
| Amlodipine Besylate | 48 | 15 |
| Rosuvastatin Calcium | 41 | 11 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2021-04-06
- Certified
- 2021-04-06
Frequently asked questions
- What is Holly Bays's NPI number?
- Holly Bays's National Provider Identifier (NPI) is 1457462756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Bays's specialty?
- Holly Bays is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Holly Bays located?
- Holly Bays's practice location on file with NPPES is 125 16th Ave E, Seattle, WA 98112-5211.
- What is Holly Bays's phone number?
- The practice phone number listed in the NPPES registry for Holly Bays is (206) 326-3000.
- Does Holly Bays accept Medicare?
- Holly Bays is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Bays's NPI active?
- Yes — Holly Bays's NPI (1457462756) is active in the NPPES registry as of the last update on 2021-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.