1. Home
  2. Directory
  3. New York
  4. Port Jefferson
  5. Internal Medicine
  6. NPI Profile

ABDULLAH NAZAR NAJDAT MD
NPI 1396397675
Internal Medicine in Port Jefferson, NY

Active since July 16, 2019PECOS EnrolledAccepts Medicare Assignment
75 N COUNTRY RD, PORT JEFFERSON, NY 11777(631) 473-1320 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 24, 2025, Jul 16, 2019 (2 updates tracked since 2019).

About Abdullah Nazar Najdat Md NPPES

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

ABDULLAH NAZAR NAJDAT MD (NPI 1396397675) is an individual internal medicine provider in Port Jefferson, New York, licensed in Florida (ME155620) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS, is affiliated with Shands Jacksonville, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1396397675
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameABDULLAH NAZAR NAJDATCredential: MD
Location Address75 N COUNTRY RDPort Jefferson, NY 11777-2119
Mailing Address75 N Country RdPort Jefferson, NY 11777-2119
Phone(631) 473-1320
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 16, 2019
Last NPPES UpdateNovember 24, 20252 updates tracked since enumeration
NPPES CertifiedNovember 24, 2025
✔ NPI 1396397675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME155620
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
75 N COUNTRY RD, Port Jefferson, NY 11777
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Abdullah Nazar Najdat 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 ID8527398379
PECOS Enrollment IDI20221121001481
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Abdullah Najdat reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cogent Healthcare Of Jacksonville, LLC
875 mi
Internal Medicine
655 W 8TH ST
Jacksonville, FL 32209
  • Reassigned Medicare billing, Florida enrollment
  • 440 clinicians in this Medicare group
NPI 1124252333 (904) 244-3850
Sound Physicians Of Florida Vi LLC
1,094 mi
Internal Medicine
4725 N FEDERAL HWY
Fort Lauderdale, FL 33308
  • Reassigned Medicare billing, Florida enrollment
  • 197 clinicians in this Medicare group
NPI 1417761073 (954) 771-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
274 services80 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
229 services72 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
61 services59 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
23 services22 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Shands Jacksonville

Acute Care Hospitals · Jacksonville, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100001
Location655 W 8th StJacksonville, FL 32209 · Duval 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
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 20

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

JUSTINA CATHERINE MELLONE DO
Student in an Organized Health Care Education/Training Program
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
AAKAASH VARMA MD
Dermatology
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-2549
KRISELA VOJNIKU MD
Student in an Organized Health Care Education/Training Program
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-2549
LORETTA DIDWELL
Physician Assistant
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
RAYMOND WONG
Internal Medicine
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-7654
JULIA KOROBENKO DO
Student in an Organized Health Care Education/Training Program
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 686-2549
KATHLEEN FANELLI
Nurse Practitioner (Acute Care)
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320
BENJAMIN O'BRIEN
Student in an Organized Health Care Education/Training Program
75 N COUNTRY RD
PORT JEFFERSON, NY 11777
Suffolk County (631) 473-1320

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 Abdullah Najdat's NPI number?

The NPI number for Abdullah Najdat is 1396397675. It was assigned to this individual provider in the NPPES registry on July 16, 2019.

Where is Abdullah Najdat located?

Abdullah Najdat practices at 75 N Country Rd, Port Jefferson, NY 11777. The listed phone number is (631) 473-1320.

What is Abdullah Najdat's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Abdullah Najdat enrolled in Medicare?

Yes. Abdullah Najdat 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.

Which organizations bill Medicare for Abdullah Najdat's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abdullah Najdat reassigns Medicare benefits to 2 organizations: Cogent Healthcare Of Jacksonville, LLC (Jacksonville, FL) and Sound Physicians Of Florida Vi LLC (Fort Lauderdale, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Abdullah Najdat's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Abdullah Najdat affiliated with any hospitals?

According to CMS data, Abdullah Najdat is affiliated with Shands Jacksonville.

When was this NPI record last updated?

The NPPES record for Abdullah Najdat was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.