Jeffrey Probstfield, MD
NPI 1538294947 · Clinical Pharmacology Physician · Seattle, WA
Jeffrey Probstfield, MD is a Clinical Pharmacology Physician provider in Seattle, WA (NPI 1538294947).
Provider details
- NPI number
- 1538294947
- Entity type
- Individual
- Primary specialty
- Clinical Pharmacology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00031960 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jeffrey Probstfield's NPI number?
- Jeffrey Probstfield's National Provider Identifier (NPI) is 1538294947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Probstfield's specialty?
- Jeffrey Probstfield is listed in the NPPES registry with a primary specialty of Clinical Pharmacology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Probstfield located?
- Jeffrey Probstfield's practice location on file with NPPES is 146 N Canal St, Seattle, WA 98103-8691.
- What is Jeffrey Probstfield's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Probstfield is (206) 616-0292.
- Is Jeffrey Probstfield's NPI active?
- Yes — Jeffrey Probstfield's NPI (1538294947) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.