John Merrill-Steskal, M.D.
NPI 1700845609 · Specialist · Ellensburg, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Merrill-Steskal, M.D. is a Specialist provider in Ellensburg, WA (NPI 1700845609).
Provider details
- NPI number
- 1700845609
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2520900031734 (WA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 421 | 122 |
| Lisinopril | 283 | 74 |
| Levothyroxine Sodium | 230 | 63 |
| Omeprazole | 157 | 49 |
| Amlodipine Besylate | 149 | 41 |
| Tamsulosin Hcl | 128 | 31 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-20
- Last updated
- 2010-03-23
Frequently asked questions
- What is John Merrill-Steskal's NPI number?
- John Merrill-Steskal's National Provider Identifier (NPI) is 1700845609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Merrill-Steskal's specialty?
- John Merrill-Steskal is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Merrill-Steskal located?
- John Merrill-Steskal's practice location on file with NPPES is 716 E Manitoba Ave, Ellensburg, WA 98926-3842.
- What is John Merrill-Steskal's phone number?
- The practice phone number listed in the NPPES registry for John Merrill-Steskal is (509) 925-3151.
- Does John Merrill-Steskal accept Medicare?
- John Merrill-Steskal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Merrill-Steskal's NPI active?
- Yes — John Merrill-Steskal's NPI (1700845609) is active in the NPPES registry as of the last update on 2010-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.