Guillermo Cook, M.D.
NPI 1548267966 · Cardiovascular Disease Physician · Mountain Lakes, NJ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guillermo Cook, M.D. is a Cardiovascular Disease Physician provider in Mountain Lakes, NJ (NPI 1548267966).
Provider details
- NPI number
- 1548267966
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA05581100 (NJ)
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
20 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
- 2005-06-30
- Last updated
- 2016-02-03
Frequently asked questions
- What is Guillermo Cook's NPI number?
- Guillermo Cook's National Provider Identifier (NPI) is 1548267966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Cook's specialty?
- Guillermo Cook is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermo Cook located?
- Guillermo Cook's practice location on file with NPPES is 356 Route 46 E, Mountain Lakes, NJ 07046-1717.
- What is Guillermo Cook's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Cook is (973) 586-3400.
- Does Guillermo Cook accept Medicare?
- Guillermo Cook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guillermo Cook's NPI active?
- Yes — Guillermo Cook's NPI (1548267966) is active in the NPPES registry as of the last update on 2016-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.