Dr. Kathryn A. Colby
M.D. | Cornea and External Diseases Specialist | 34+ years Exp
Medicare Enrolled 222 E 41st St, New York
New York, 10017-6739
212-263-2574 Maps & DirectionsDr. Kathryn A. Colby is a New York, New York based Cornea and External Diseases Specialist with 34 years of experience in Cornea and External Diseases Specialist. She completed her graduation from Other in 1992. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Kathryn A. Colby is 150411 for Ophthalmology in Massachusetts.
Dr. Kathryn A. Colby specializes in diseases of the cornea, sclera, eyelids, conjunctiva, and anterior segment of the eye. This subspecialty includes the medical and surgical management of corneal and external eye diseases, including corneal transplantation, refractive surgery, and the treatment of ocular surface disorders.
Complete Profile:
Dr. Kathryn A. Colby speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Specialization: | Cornea and External Diseases Specialist |
| Credentials: | M.D. |
| Experience: | 34+ years |
| Medical School Attended: | Other |
| Graduation Year: | 1992 |
| Gender: | Female |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 222 E 41st St, New York,
New York, 10017-6739 |
| Phone: | 212-263-2574 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 4789756826 |
| Enrollment ID: | I20201002002351 |
| NPI Number: | 1245221282 |
| NPI Enumeration Date: | 31 Oct, 2005 |
| NPI Last Update On: | 11 Mar, 2021 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Kathryn A. Colby are as mentioned below.
| License Number | Specialization | State | Status | |
| 150411 | Ophthalmology | Massachusetts | Primary | |
| 036.138315 | Cornea and External Diseases Specialist | Illinois | Secondary | |
Group Practice:
Group practices are run by a group of physicians who share their premises and other resources. Following list states all the group name
with which Dr. Kathryn A. Colby has association with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| New York University (1355232422) | 3737 |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Kathryn A. Colby such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 3151590 | Medicaid | Massachusetts | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 222 E 41st St,
New York, New York |
| Zip: | 10017-6739 |
| Phone Number: | 212-263-2574 |
Patients can reach Dr. Kathryn A. Colby at
222 E 41st St, New York, New York or can
call to book an appointment on 212-263-2574.
Comments/ Reviews:
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 July, 2026.