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Warren Guffin, M.D.
NPI 1366541724 · Emergency Medicine Physician · Missoula, MT
Warren Guffin, M.D. is a Emergency Medicine Physician provider in Missoula, MT (NPI 1366541724).
Provider details
- NPI number
- 1366541724
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4077 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
500 W Broadway St
St. Patrick Emergency Dept.
Missoula, MT 59802-4008
Phone: (406) 329-5635
Fax: (406) 329-5639
Street-level locationGet directions
Mailing address
102 Greenwood Ln
Missoula, MT 59803-2401
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Warren Guffin's NPI number?
- Warren Guffin's National Provider Identifier (NPI) is 1366541724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Guffin's specialty?
- Warren Guffin is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Guffin located?
- Warren Guffin's practice location on file with NPPES is 500 W Broadway St, Missoula, MT 59802-4008.
- What is Warren Guffin's phone number?
- The practice phone number listed in the NPPES registry for Warren Guffin is (406) 329-5635.
- Is Warren Guffin's NPI active?
- Yes — Warren Guffin's NPI (1366541724) 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.