Marian Lacy, M.D.
NPI 1780987073 · Infectious Disease Physician · Flagstaff, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marian Lacy, M.D. is a Infectious Disease Physician provider in Flagstaff, AZ (NPI 1780987073).
Provider details
- NPI number
- 1780987073
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 52413 (AZ)
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
- 2010-12-08
- Last updated
- 2025-11-04
- Certified
- 2025-11-04
Frequently asked questions
- What is Marian Lacy's NPI number?
- Marian Lacy's National Provider Identifier (NPI) is 1780987073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marian Lacy's specialty?
- Marian Lacy is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Marian Lacy located?
- Marian Lacy's practice location on file with NPPES is 1200 N Beaver St, Flagstaff, AZ 86001-3118.
- What is Marian Lacy's phone number?
- The practice phone number listed in the NPPES registry for Marian Lacy is (928) 213-6235.
- Does Marian Lacy accept Medicare?
- Marian Lacy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marian Lacy's NPI active?
- Yes — Marian Lacy's NPI (1780987073) is active in the NPPES registry as of the last update on 2025-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.