Daniel Mcmahon, M.D.
NPI 1700181401 · Emergency Medicine Physician · Napa, CA
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Mcmahon, M.D. is a Emergency Medicine Physician provider in Napa, CA (NPI 1700181401).
Provider details
- NPI number
- 1700181401
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C33497 (CA)
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
15 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
- 2011-01-11
- Last updated
- 2011-01-11
Frequently asked questions
- What is Daniel Mcmahon's NPI number?
- Daniel Mcmahon's National Provider Identifier (NPI) is 1700181401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Mcmahon's specialty?
- Daniel Mcmahon is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Mcmahon located?
- Daniel Mcmahon's practice location on file with NPPES is 4590 Dry Creek Rd, Napa, CA 94558-9596.
- What is Daniel Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Daniel Mcmahon is (707) 252-1239.
- Does Daniel Mcmahon accept Medicare?
- Daniel Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Mcmahon's NPI active?
- Yes — Daniel Mcmahon's NPI (1700181401) is active in the NPPES registry as of the last update on 2011-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.