Tamara Merritt, DO
NPI 1821022492 · General Practice Physician · Leavenworth, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tamara Merritt, DO is a General Practice Physician provider in Leavenworth, WA (NPI 1821022492).
Provider details
- NPI number
- 1821022492
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OP00002089 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 99 | 25 |
| Oxycodone Hcl | 95 | 15 |
| Omeprazole | 79 | 20 |
| Losartan Potassium | 76 | 24 |
| Atorvastatin Calcium | 71 | 23 |
| Duloxetine Hcl | 68 | 11 |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (1)
- 525 West JayBrewster, WA 98812-9701Phone: (509) 689-3455Fax: (509) 689-2104
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2023-06-02
- Certified
- 2023-06-02
Frequently asked questions
- What is Tamara Merritt's NPI number?
- Tamara Merritt's National Provider Identifier (NPI) is 1821022492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tamara Merritt's specialty?
- Tamara Merritt is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Tamara Merritt located?
- Tamara Merritt's practice location on file with NPPES is 817 Commercial St, Leavenworth, WA 98826-1316.
- What is Tamara Merritt's phone number?
- The practice phone number listed in the NPPES registry for Tamara Merritt is (509) 548-5815.
- Does Tamara Merritt accept Medicare?
- Tamara Merritt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tamara Merritt's NPI active?
- Yes — Tamara Merritt's NPI (1821022492) is active in the NPPES registry as of the last update on 2023-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.