John Karl Gregory, OD
- Medicare patients, 2024
- 29
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice locations
- 2
- Practice address
- 2275 Swallow Hill Rd, Pittsburgh, PA 15220-1656
- Practice phone
- Call (412) 489-6726
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bourse Optical Boutique
Physician office · Pittsburgh, Pennsylvania
Find John Gregory'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.
John Karl Gregory is an optometrist in Pittsburgh, Pennsylvania
John Gregory practices at Bourse Optical Boutique in Pittsburgh, Pennsylvania.
John Gregory's NPI, 1366525347, was assigned on October 23, 2006. John Gregory graduated from Southern College of Optometry in 1994. John Gregory holds Pennsylvania license OEG001128.
- NPI
- 1366525347NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072608504
- NPI enumeration date
- October 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (412) 489-6726
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Karl Gregory practices at 2 locations in Pittsburgh, Pennsylvania
John Gregory's primary practice is Bourse Optical Boutique, at 2275 Swallow Hill Rd, Pittsburgh, PA 15220-1656. The practice phone is (412) 489-6726. The NPI Registry lists John Gregory's practice address as 1000 Bower Hill Rd, Pittsburgh, PA 15243.
- Bourse Optical BoutiquePrimary2275 Swallow Hill Rd, Pittsburgh, PA 15220-1656Phone(412) 489-6726
- NPI Registry address1000 Bower Hill Rd, Pittsburgh, PA 15243 · Allegheny County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
John Karl Gregory is affiliated with 1 site of care
John Gregory's primary practice is Bourse Optical Boutique in Pittsburgh, Pennsylvania.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Karl Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Gregory practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bourse Optical Boutique | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
John Karl Gregory is one of 1,750 optometrists in Pennsylvania
Optometrist is John Gregory's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Gregory is licensed in Pennsylvania.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
Optometrists near John Gregory
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
John Karl Gregory treated 29 Medicare patients in 2024, average age 74
CMS counts 29 Medicare patients who saw John Gregory in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 72% have high cholesterol. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Gregory's median patient age at 69, with 57% women.
John Gregory's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Gregory's Medicare patients by sex, 2024
- Women1655%
- Men1345%
Chronic conditions among John Gregory's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
Share of Medicare patients with each condition. A patient can have several.
John Gregory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Karl Gregory ranks in the 40th percentile for cataract surgery in Medicare
John Gregory accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of cataract surgery by John Gregory, more than 40% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where John Gregory ranks in Medicare procedure volume
- Cataract surgery
- 40th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
John Karl Gregory graduated from Southern College of Optometry
John Gregory graduated from Southern College of Optometry in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Karl Gregory'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 John Karl Gregory
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Karl Gregory's NPI number?
John Karl Gregory's NPI number is 1366525347. It was assigned on October 23, 2006, and it is active in the NPI Registry.
What does John Karl Gregory specialize in?
John Karl Gregory is an optometrist in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Karl Gregory practice?
John Gregory practices at 2275 Swallow Hill Rd, Pittsburgh, PA 15220-1656. John Gregory also practices at 1000 Bower Hill Rd, Pittsburgh, PA 15243. John Gregory's primary practice is Bourse Optical Boutique in Pittsburgh, Pennsylvania.
What is John Karl Gregory's office phone number?
The practice phone on file for John Gregory is (412) 489-6726.
What is John Karl Gregory's medical license number?
John Gregory holds Pennsylvania license OEG001128.
Does John Karl Gregory accept Medicare?
Yes. CMS lists John Gregory as accepting Medicare assignment.
How many Medicare patients does John Karl Gregory see?
CMS counts 29 Medicare patients who saw John Gregory in 2024, with an average age of 74.
Where did John Karl Gregory go to medical school?
John Gregory graduated from Southern College of Optometry in 1994.
How long has John Karl Gregory been practicing?
John Gregory graduated from medical school in 1994, 32 years ago.
Selling to optometrist practices?
See optometrists in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card