Frederick Chancellor, MD
NPI 1700959780 · Family Medicine Physician · Mukilteo, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Chancellor, MD is a Family Medicine Physician provider in Mukilteo, WA (NPI 1700959780).
Provider details
- NPI number
- 1700959780
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A74311 (CA)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
366 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 101 | $127 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 58 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $174 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 24 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 24 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 80 | 43 |
| Atorvastatin Calcium | 77 | 48 |
| Meloxicam | 59 | 32 |
| Rosuvastatin Calcium | 53 | 29 |
| Levothyroxine Sodium | 52 | 24 |
| Lisinopril | 49 | 34 |
| Losartan Potassium | 41 |
Practice location
Mailing address
Additional practice locations (2)
- 512 Hamilton AvePalo Alto, CA 94301-2011Phone: (650) 323-2100Fax: (650) 323-2500
- 700 Lilly Rd NeOlympia, WA 98506-5115Phone: (360) 923-7000
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2024-04-09
- Certified
- 2024-04-09
Frequently asked questions
- What is Frederick Chancellor's NPI number?
- Frederick Chancellor's National Provider Identifier (NPI) is 1700959780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Chancellor's specialty?
- Frederick Chancellor is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Chancellor located?
- Frederick Chancellor's practice location on file with NPPES is 4410 106th St Sw, Mukilteo, WA 98275-4700.
- What is Frederick Chancellor's phone number?
- The practice phone number listed in the NPPES registry for Frederick Chancellor is (425) 258-3900.
- Does Frederick Chancellor accept Medicare?
- Frederick Chancellor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Chancellor's NPI active?
- Yes — Frederick Chancellor's NPI (1700959780) is active in the NPPES registry as of the last update on 2024-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.