Rena Ferguson, MD, PC
NPI 1477703924 · Psychiatry Physician · Setauket, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rena Ferguson, MD, PC is a Psychiatry Physician organization in Setauket, NY (NPI 1477703924).
Provider details
- NPI number
- 1477703924
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- George Gmytrasiewicz, Consultant(631) 689-5390
- License
- 230330 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-21
- Last updated
- 2008-10-14
Frequently asked questions
- What is Rena Ferguson, MD, PC's NPI number?
- Rena Ferguson, MD, PC's National Provider Identifier (NPI) is 1477703924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rena Ferguson, MD, PC?
- Rena Ferguson, MD, PC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Rena Ferguson, MD, PC located?
- Rena Ferguson, MD, PC's practice location on file with NPPES is 128 Old Town Rd, Setauket, NY 11733-2064.
- What is Rena Ferguson, MD, PC's phone number?
- The practice phone number listed in the NPPES registry for Rena Ferguson, MD, PC is (631) 689-5390.
- Does Rena Ferguson, MD, PC accept Medicare?
- Rena Ferguson, MD, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Rena Ferguson, MD, PC?
- The authorized official listed on Rena Ferguson, MD, PC's NPPES record is George Gmytrasiewicz, Consultant. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rena Ferguson, MD, PC's NPI active?
- Yes — Rena Ferguson, MD, PC's NPI (1477703924) is active in the NPPES registry as of the last update on 2008-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.