Guillermo A. Cook, M.D.
Cardiovascular Disease Physician · Mountain Lakes, NJ
Guillermo A. Cook, M.D. is a cardiovascular disease physician with a practice address in Mountain Lakes, New Jersey, and NPI 1548267966, issued on Jun 30, 2005. Check the license (New Jersey 25MA05581100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Guillermo A. Cook
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 25MA05581100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 356 Route 46 E, Mountain Lakes, NJ 07046
- Phone
- (973) 586-3400
- Enumerated
- Jun 30, 2005
- Record last updated
- Feb 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (973) 586-1916
- Medicaid ID
- 4551206 NJ
- Entity
- Type 1 · individual
Also registered at 356 Route 46 E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mehmood Ahmad, MDCardiovascular Disease Physician1730178203
- Benjamin Fusman, M.D.Cardiovascular Disease Physician1376540351
- Kathleen GriffithNurse Practitioner1134236326
- Ronald Massari, MDCardiovascular Disease Physician1073510640
- Stuart Shulruff, M.D.Cardiovascular Disease Physician1871590448
Verify Guillermo A. Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA05581100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13 cardiovascular disease physician records list a practice address in Mountain Lakes
They are 13 of the 115 NPPES records with a practice address in Mountain Lakes, and 1,102 cardiovascular disease physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13 in Mountain Lakes → All 1,102 in New Jersey → Every provider in Mountain Lakes →
Other cardiovascular disease physician records in New Jersey
- Michael Aaron, D.O.Neptune, NJ1336129071
- Kariann Abbate, MDRidgewood, NJ1548429582
- Rachel Abboud, DOPaterson, NJ1366931107
- Mary Abed, M.D.Jersey City, NJ1134185432
- Andrew Adelsheimer, MDNew Providence, NJ1881154235
- Baback Adibi, M.D.Teaneck, NJ1164491346
- Irfan AdmaniEdgewater, NJ1043228588
- Ashish Agarwal, MDRobbinsville, NJ1821174483
- Ashoke Agarwal, MD FACCPaterson, NJ1780649608
- Shashi Agarwal, M.D.East Orange, NJ1558416099
Common questions
What is Guillermo A. Cook, M.D.'s NPI number?
Guillermo A. Cook, M.D.'s National Provider Identifier (NPI) is 1548267966, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo A. Cook, M.D. located?
The NPPES record lists a practice address at 356 Route 46 E, Mountain Lakes, NJ, 07046. Phone: (973) 586-3400. Providers update this record themselves, so call before visiting.
How can I verify Guillermo A. Cook, M.D.'s license?
NPPES lists New Jersey license number 25MA05581100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.