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

KHONDOKAR NASIM HASSAN
NPI 1427807841
Internal Medicine in Farmingdale, NY

Active since May 16, 2024PECOS Enrolled
100 BROADHOLLOW RD STE 106, FARMINGDALE, NY 11735(631) 693-6644(631) 693-4389 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 4, 2026, May 16, 2024 (2 updates tracked since 2024).

About Khondokar Nasim Hassan NPPES

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

KHONDOKAR NASIM HASSAN (NPI 1427807841) is an individual internal medicine provider in Farmingdale, New York, licensed in New York (P128140) and active in the NPI registry since May 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427807841
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameKHONDOKAR NASIM HASSAN
Location Address100 BROADHOLLOW RD STE 106Farmingdale, NY 11735-4813
Mailing Address100 Southern BlvdNesconset, NY 11767-1797 · (631) 361-8800
Phone(631) 693-6644
Fax(631) 693-4389
Sole ProprietorNo
Enumeration DateMay 16, 2024
Last NPPES UpdateFebruary 4, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2026
✔ NPI 1427807841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · P128140
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.
100 BROADHOLLOW RD STE 106, Farmingdale, NY 11735
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 (PECOS)

Khondokar Nasim Hassan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Khondokar Hassan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nys Medical Associate PLLC
23 mi
Internal Medicine
65-11 BOOTH STREET, SUITE 1C
Rego Park, NY 11374
  • Reassigned Medicare billing, New York enrollment
  • 79 clinicians in this Medicare group
NPI 1104268572 (718) 806-1434

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 4

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 nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
2,572 services120 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
105 services55 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
50 services28 patients
Nursing facility discharge day management, 30 minutes or less 99315
Nursing facility discharge day management involves organizing your transition from the nursing facility to your home or another facility. This service, taking 30 minutes or less, includes finalizing medical instructions, arranging follow-up care, and answering any questions.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11735 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 3

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

DR. FAZLE SHOWON DO
Internal Medicine
100 BROADHOLLOW RD STE 106
FARMINGDALE, NY 11735
Suffolk County (631) 693-6644
CORDIAL MEDICAL, P.C.
Internal Medicine (Infectious Disease)
100 BROADHOLLOW RD STE 106
FARMINGDALE, NY 11735
Suffolk County (631) 693-6644
NAHID KHAN
Internal Medicine
100 BROADHOLLOW RD STE 106
FARMINGDALE, NY 11735
Suffolk County (631) 693-6644

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 Khondokar Hassan's NPI number?

The NPI number for Khondokar Hassan is 1427807841. It was assigned to this individual provider in the NPPES registry on May 16, 2024.

Where is Khondokar Hassan located?

Khondokar Hassan practices at 100 Broadhollow Rd Ste 106, Farmingdale, NY 11735. The listed phone number is (631) 693-6644.

What is Khondokar Hassan's specialty?

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

Is Khondokar Hassan enrolled in Medicare?

Yes. Khondokar Hassan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Khondokar Hassan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Khondokar Hassan reassigns Medicare benefits to Nys Medical Associate PLLC (Rego Park, NY). The 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 Khondokar Hassan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Khondokar Hassan was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.