Gregory Guido Cook, OD
- Industry payments
- $831
- Affiliated sites
- 4
- Medical groups
- 2
- Year NPI issued
- 2025
- Practice address
- 600 N Jordan Ave, Bloomington, IN 47408
- Practice phone
- Call (812) 855-6511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
IU Bloomington Student Health Center
Bloomington, Indiana
Find Gregory 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.
Gregory Guido Cook is an optometrist in Bloomington, Indiana
Gregory Cook practices at IU Bloomington Student Health Center in Bloomington, Indiana.
Gregory Cook's NPI, 1689564833, was assigned on July 8, 2025. Gregory Cook graduated from Indiana University - School of Optometry in 2025.
- NPI
- 1689564833NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153836580
- NPI enumeration date
- July 8, 2025
- NPI status
- Active
- Practice phone
- (812) 855-6511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Gregory Guido Cook practices at IU Bloomington Student Health Center in Bloomington, Indiana
Gregory Cook's primary practice is IU Bloomington Student Health Center, at 600 N Jordan Ave, Bloomington, IN 47408 in Monroe County. The practice phone is (812) 855-6511.
- IU Bloomington Student Health Center600 N Jordan Ave, Bloomington, IN 47408 · Monroe CountyPhone(812) 855-6511
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory Guido Cook is affiliated with 5 sites of care and 2 medical groups
Gregory Cook's primary practice is IU Bloomington Student Health Center in Bloomington, Indiana. Dmand AI also links Gregory Cook to 2 group practices and clinics, 2 school health centers and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gregory Guido Cook's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Cook practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IU Bloomington Student Health Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory Guido Cook is one of 1,172 optometrists in Indiana
Optometrist is Gregory Cook's primary specialty in the NPI Registry, under taxonomy code 152W00000X.
Specialties and state licenses
- OptometristPrimary
Optometrists near Gregory Cook
Counts of optometrists 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
Gregory Guido Cook's patients have a median age of 22
Across all payers, Dmand AI patient panel data puts Gregory Cook's median patient age at 22, with 54% women.
Gregory 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 22
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Gregory Guido Cook ranks in the 34th percentile for cataract surgery in Medicare
CMS counts 12 procedures of cataract surgery by Gregory Cook, more than 34% of the clinicians it reports for that procedure.
Where Gregory Cook ranks in Medicare procedure volume
- Cataract surgery
- 34th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Source: Doctors and Clinicians Utilization Data (CMS)
Gregory Guido Cook received $831 in industry payments in 2025
CMS Open Payments shows 3 general payments to Gregory Cook from 1 drug or device company in 2025. Travel and lodging make up the largest share, 63% of the total. Alcon Laboratories Inc paid the most, $831.
General payments to Gregory Cook by kind, 2025 to 2025
- Travel and lodging$52663%
- Food and beverage$30537%
Companies that paid Gregory Cook the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory Guido Cook graduated from Indiana University - School of Optometry
Gregory Cook graduated from Indiana University - School of Optometry in 2025.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory Guido 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Gregory Guido 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 Gregory Guido Cook's NPI number?
Gregory Guido Cook's NPI number is 1689564833. It was assigned on July 8, 2025, and it is active in the NPI Registry.
What does Gregory Guido Cook specialize in?
Gregory Guido Cook is an optometrist in Bloomington, Indiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gregory Guido Cook practice?
Gregory Cook practices at 600 N Jordan Ave, Bloomington, IN 47408. Gregory Cook's primary practice is IU Bloomington Student Health Center in Bloomington, Indiana. Dmand AI also links Gregory Cook to 2 group practices and clinics, 2 school health centers and 2 medical groups.
What is Gregory Guido Cook's office phone number?
The practice phone on file for Gregory Cook is (812) 855-6511.
Where did Gregory Guido Cook go to medical school?
Gregory Cook graduated from Indiana University - School of Optometry in 2025.
Has Gregory Guido Cook received payments from drug or device companies?
CMS Open Payments shows $831 in general payments to Gregory Cook from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Gregory Guido Cook been practicing?
Gregory Cook graduated from medical school in 2025, 1 years ago.
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