Stephen Bock, M.D.
NPI 1558749325 · Family Medicine Physician · Federal Way, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Bock, M.D. is a Family Medicine Physician provider in Federal Way, WA (NPI 1558749325).
Provider details
- NPI number
- 1558749325
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MT208554 (PA)
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
11 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 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 477 | 141 |
| Lisinopril | 247 | 67 |
| Amlodipine Besylate | 155 | 50 |
| Losartan Potassium | 135 | 48 |
| Metoprolol Succinate | 97 | 30 |
| Levothyroxine Sodium | 97 | 29 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-13
- Last updated
- 2021-05-18
- Certified
- 2021-05-18
Frequently asked questions
- What is Stephen Bock's NPI number?
- Stephen Bock's National Provider Identifier (NPI) is 1558749325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Bock's specialty?
- Stephen Bock is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Bock located?
- Stephen Bock's practice location on file with NPPES is 301 S 320th St, Federal Way, WA 98003-5200.
- What is Stephen Bock's phone number?
- The practice phone number listed in the NPPES registry for Stephen Bock is (253) 874-7000.
- Does Stephen Bock accept Medicare?
- Stephen Bock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Bock's NPI active?
- Yes — Stephen Bock's NPI (1558749325) is active in the NPPES registry as of the last update on 2021-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.