Dr. Guillermo A. Cook, MD
- Medicare services, 2019
- 2,059
- Part D claims, 2020
- 211
- Industry payments
- $4,657
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 356 Route 46 E, Mountain Lakes, NJ 07046
- Practice phone
- Call (973) 586-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Atlantic Medical Group - Mountain Lakes (Route 46 E)
Primary care practice · Mountain Lakes, New Jersey
Find Dr. Cook's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Guillermo A. Cook is a cardiologist in Mountain Lakes, New Jersey
Dr. Cook practices at Atlantic Medical Group - Mountain Lakes (Route 46 E) in Mountain Lakes, New Jersey.
Dr. Cook's NPI, 1548267966, was assigned on June 30, 2005. Dr. Cook holds New Jersey license 25MA05581100.
- NPI
- 1548267966NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2005
- NPI status
- Active
- Practice phone
- (973) 586-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 84
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guillermo A. Cook practices at Atlantic Medical Group - Mountain Lakes (Route 46 E) in Mountain Lakes, New Jersey
Dr. Cook's primary practice is Atlantic Medical Group - Mountain Lakes (Route 46 E), at 356 Route 46 E, Mountain Lakes, NJ 07046. The practice phone is (973) 586-3400.
- Atlantic Medical Group - Mountain Lakes (Route 46 E)356 Route 46 E, Mountain Lakes, NJ 07046Phone(973) 586-3400
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guillermo A. Cook is affiliated with 2 sites of care and 2 medical groups
Dr. Cook's primary practice is Atlantic Medical Group - Mountain Lakes (Route 46 E) in Mountain Lakes, New Jersey. The medical group on file is Atlantic Medical Group. Dmand AI also links Dr. Cook to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Guillermo A. Cook's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cook practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atlantic Medical Group - Mountain Lakes (Route 46 E) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guillermo A. Cook is one of 1,042 cardiologists in New Jersey
Cardiovascular disease is Dr. Cook's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Cook is licensed in New Jersey.
Specialties and state licenses
- Cardiovascular disease, New JerseyPrimary
Cardiologists near Dr. Cook
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Guillermo A. Cook billed Medicare for 2,059 services in 2019
CMS data shows 2,059 Medicare services from Dr. Cook across 15 procedure codes in 2019. Medicare paid $106,944 for them.
Dr. Cook's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 1,2682019: 1,10213%
- Office and hospital visits
- 2018: 1,3112019: 95727%
Where Dr. Cook's Medicare services took place, 2019
- In an office1,17857%
- In a facility88143%
Dr. Cook compared with the New Jersey median for cardiologists, 2019
- Dr. Cook
- New Jersey median
- Medicare services
- 2,059vs 2,41815% below
- Part D claims
- 211vs 2,33991% below
Medians across 1,016 cardiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Cook's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cook and other cardiologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guillermo A. Cook's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Cook's median patient age at 75, with 58% women.
Dr. Cook's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Guillermo A. Cook wrote 211 Medicare Part D claims in 2020
In 2020, Dr. Cook wrote 211 Medicare Part D claims. They cover 10 drugs, with $41,781 in total drug cost. In 2019, CMS named 1,496 claims across 36 drugs.
Dr. Cook's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1,4962020: 21186%
Drugs named by CMS: 10 in 2020, 36 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Guillermo A. Cook received $4,657 in industry payments from 2016 to 2020
CMS Open Payments shows 333 general payments to Dr. Cook from 27 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 97% of the total. Sanofi and Genzyme US Companies paid the most, $671.
General payments to Dr. Cook by program year, 2016 to 2020
General payments to Dr. Cook by kind, 2016 to 2020
- Food and beverage$4,49997%
- Consulting fees$1393%
- Education$190%
Companies that paid Dr. Cook the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Guillermo A. Cook's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Guillermo A. Cook
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Guillermo A. Cook's NPI number?
Dr. Guillermo A. Cook's NPI number is 1548267966. It was assigned on June 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Guillermo A. Cook?
Dr. Guillermo A. Cook is a cardiologist in Mountain Lakes, New Jersey. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Guillermo A. Cook practice?
Dr. Cook practices at 356 Route 46 E, Mountain Lakes, NJ 07046. Dr. Cook's primary practice is Atlantic Medical Group - Mountain Lakes (Route 46 E) in Mountain Lakes, New Jersey. Dmand AI also links Dr. Cook to 1 group practice or clinic and 1 medical group.
What is Dr. Guillermo A. Cook's office phone number?
The practice phone on file for Dr. Cook is (973) 586-3400.
What is Dr. Guillermo A. Cook's medical license number?
Dr. Cook holds New Jersey license 25MA05581100.
What medical group is Dr. Guillermo A. Cook part of?
Dr. Cook is linked to Atlantic Medical Group. Dmand AI links Dr. Cook to 1 more medical group.
Does Dr. Guillermo A. Cook accept Medicare?
Yes. CMS data shows Dr. Cook billed Medicare for 2,059 services in 2019.
What services does Dr. Guillermo A. Cook bill to Medicare?
In 2019, Dr. Cook's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and hospital inpatient care (99232).
What drugs does Dr. Guillermo A. Cook prescribe most?
In 2020 Medicare Part D data, Dr. Cook's most prescribed drugs by claims were Metoprolol Succinate, Metoprolol Tartrate and Eliquis.
Has Dr. Guillermo A. Cook received payments from drug or device companies?
CMS Open Payments shows $4,657 in general payments to Dr. Cook from 27 companies from 2016 to 2020. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Guillermo A. Cook been practicing?
Dr. Cook graduated from medical school in 1968, 58 years ago.
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