Katherine B. Ensign, OD
- Hospital affiliations
- 1
- Industry payments
- $125
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 1275 York Avenue, New York, NY 10065
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Katherine Ensign'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.
Katherine B. Ensign is an optometrist in New York, New York
Katherine Ensign practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.
Katherine Ensign's NPI, 1477395580, was assigned on June 10, 2024. Katherine Ensign holds New York license 011120.
- NPI
- 1477395580NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436624202
- NPI enumeration date
- June 10, 2024
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Katherine B. Ensign practices at Memorial Sloan Kettering Cancer Center in New York, New York
Katherine Ensign's primary practice is Memorial Sloan Kettering Cancer Center, at 1275 York Avenue, New York, NY 10065.
- Memorial Sloan Kettering Cancer Center1275 York Avenue, New York, NY 10065
Source: Dmand AI Affiliation Data
Katherine B. Ensign is affiliated with 2 sites of care and 1 medical group
Katherine Ensign's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. Dmand AI also links Katherine Ensign to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katherine B. Ensign's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Ensign practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Sloan Kettering Cancer Center | Available with a free account |
| +1 more site and 1 medical group | 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 Memorial Sloan Kettering Cancer Center and 6.2K+ hospitals, with verified contacts in the same login.
Katherine B. Ensign is one of 2,393 optometrists in New York
Optometrist is Katherine Ensign's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Katherine Ensign is licensed in New York.
Specialties and state licenses
- Optometrist, New YorkPrimary
Optometrists near Katherine Ensign
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
Katherine B. Ensign's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Katherine Ensign's median patient age at 72, with 33% women.
Katherine Ensign's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Katherine B. Ensign received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Katherine Ensign from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $125.
Companies that paid Katherine Ensign the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katherine B. Ensign'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Katherine B. Ensign
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine B. Ensign's NPI number?
Katherine B. Ensign's NPI number is 1477395580. It was assigned on June 10, 2024, and it is active in the NPI Registry.
What does Katherine B. Ensign specialize in?
Katherine B. Ensign is an optometrist in New York, New York. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Katherine B. Ensign practice?
Katherine Ensign practices at 1275 York Avenue, New York, NY 10065. Katherine Ensign's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. Dmand AI also links Katherine Ensign to 1 group practice or clinic and 1 medical group.
What is Katherine B. Ensign's medical license number?
Katherine Ensign holds New York license 011120.
Which hospitals is Katherine B. Ensign affiliated with?
Katherine Ensign practices at Memorial Sloan Kettering Cancer Center in New York, New York.
Has Katherine B. Ensign received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Katherine Ensign from 1 company from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Katherine B. Ensign been practicing?
Katherine Ensign graduated from medical school in 2024, 2 years ago.
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