DR. CATHLYN SULLIVAN DO
NPI 1821525312
Obstetrics & Gynecology in Portland, ME
About Dr. Cathlyn Sullivan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHLYN SULLIVAN DO (NPI 1821525312) is an individual obstetrics & gynecology provider in Portland, Maine, licensed in Maine (DO3886) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Honolulu.
NPPES Registry Identity
Specialties & Licenses 3
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Cathlyn Sullivan Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MENorthern Light Eastern Maine Medical Center
Acute Care Hospitals · Bangor, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, ME 04102
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cathlyn Sullivan's NPI number?
The NPI number for Cathlyn Sullivan is 1821525312. It was assigned to this individual provider in the NPPES registry on May 16, 2017.
Where is Cathlyn Sullivan located?
Cathlyn Sullivan practices at 887 Congress St Ste 200, Portland, ME 04102. The listed phone number is (207) 771-5549.
What is Cathlyn Sullivan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Cathlyn Sullivan enrolled in Medicare?
Yes. Cathlyn Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Cathlyn Sullivan accept?
Health plans from Anthem Blue Cross and Blue Shield, HMSA and Harvard Pilgrim Health Care list Cathlyn Sullivan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Cathlyn Sullivan affiliated with any hospitals?
According to CMS data, Cathlyn Sullivan is affiliated with Maine Medical Center and Northern Light Eastern Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Cathlyn Sullivan was last updated on April 1, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
