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RENA K FERGUSON MD
NPI 1013082452
Psychiatry & Neurology - Psychiatry in Port Jefferson, NY

Active since November 21, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 33D2164669 · Waiver
251 E OAKLAND AVE STE 2A, PORT JEFFERSON, NY 11777(631) 760-1830(631) 509-6080 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Rena K Ferguson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RENA K FERGUSON MD (NPI 1013082452) is an individual psychiatry provider in Port Jefferson, New York, licensed in New York (230330) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through April 10, 2027, and is affiliated with Suny/stony Brook University Hospital.

NPPES Registry Identity

NPI1013082452
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameRENA K FERGUSONCredential: MD
Location Address251 E OAKLAND AVE STE 2APort Jefferson, NY 11777-2602
Mailing Address251 E Oakland Ave Ste 2aPort Jefferson, NY 11777-2602 · (631) 760-1830 · Fax (631) 509-6080
Phone(631) 760-1830
Fax(631) 509-6080
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateNovember 21, 2006
Last NPPES UpdateFebruary 9, 2026
NPPES CertifiedFebruary 9, 2026
✔ NPI 1013082452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NY · 230330
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
251 E OAKLAND AVE STE 2A, Port Jefferson, NY 11777
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Other Identifiers 1

Medicaid02501137NY

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

Rena K Ferguson Md 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.

PECOS PAC ID2961498498
PECOS Enrollment IDI20040421001164
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D2164669

Rena Ferguson MD PC · Port Jefferson, NY
Active · expires Apr 10, 2027
CLIA Number33D2164669
Laboratory TypePhysician Office
Certificate Effective DateApril 11, 2025
Certificate Expiration DateApril 10, 2027
Laboratory DirectorDr. Rena Ferguson
Laboratory Phone(631) 760-1830
Laboratory LocationRena Ferguson MD PC1000 Main Street - Suite G, Port Jefferson, NY 11777
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,119 services245 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
1,014 services249 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
927 services76 patients
Group psychotherapy 90853
Group psychotherapy involves individuals discussing their issues in a group setting, led by a professional therapist. It provides a supportive environment where members can learn from each other's experiences, gain different perspectives, and develop new ways to handle challenges.
203 services13 patients
Office or other outpatient visit for the evaluation and management of an established patient that requires the supervision of a physician or other qualified health care professional and provision of greater than 56 mg esketamine nasal self-administration, G2083
This is a routine office visit for existing patients needing physician supervision for esketamine nasal self-administration, a medication used for certain mental health conditions. More than 56 mg will be administered. The visit includes evaluation and ongoing management of your health.
153 services15 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
98 services54 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11777 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUSAN PHELAN PH D NP
Nurse Practitioner
251 E OAKLAND AVE STE 2A
PORT JEFFERSON, NY 11777
Suffolk County (631) 760-1830

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 Rena Ferguson's NPI number?

The NPI number for Rena Ferguson is 1013082452. It was assigned to this individual provider in the NPPES registry on November 21, 2006.

Where is Rena Ferguson located?

Rena Ferguson practices at 251 E Oakland Ave Ste 2A, Port Jefferson, NY 11777. The listed phone number is (631) 760-1830.

What is Rena Ferguson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Rena Ferguson enrolled in Medicare?

Yes. Rena Ferguson 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.

Does Rena Ferguson hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D2164669) is associated with this NPI, valid through April 10, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Rena Ferguson affiliated with any hospitals?

According to CMS data, Rena Ferguson is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Rena Ferguson was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.