Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GURJEEV RATTAN DO
NPI 1174763791
Internal Medicine - Endocrinology, Diabetes & Metabolism in Hauppauge, NY

Q: What is Gurjeev Rattan's NPI number?

The NPI number for Gurjeev Rattan is 1174763791. It was assigned to this individual provider in the NPPES registry on February 22, 2009.

Q: What is Gurjeev Rattan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Gurjeev Rattan was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.

Active since February 22, 2009PECOS Enrolled

200 MOTOR PKWY STE C-16, HAUPPAUGE, NY 11788(631) 638-4933 Get Directions Write a Review

NPPES record last updated: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 26, 2026, Feb 26, 2021, Sep 25, 2019 and 2 more (5 updates tracked since 2017).

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About Gurjeev Rattan Do NPPES

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

GURJEEV RATTAN DO (NPI 1174763791) is an individual endocrinology, diabetes & metabolism provider in Hauppauge, New York, licensed in New York (276213) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Wading River, and is a graduate of Michigan State University College Of Osteopathic Medicine (2009).

NPPES Registry Identity

NPI1174763791

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameGURJEEV RATTANCredential: DO

Location Address200 MOTOR PKWY STE C-16Hauppauge, NY 11788-5114

Mailing Address200 Motor Pkwy Ste C-16Hauppauge, NY 11788-5114 · (631) 638-4933

Phone(631) 638-4933

Sole ProprietorNo

Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2009

Enumeration DateFebruary 22, 2009

Last NPPES UpdateOctober 26, 20265 updates tracked since enumeration

NPPES CertifiedOctober 23, 2026

✔ NPI 1174763791 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in NY · 276213

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

200 MOTOR PKWY STE C-16, Hauppauge, NY 11788

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Secondary Practice Location 1

Location 15954 new york 25 Awading river, NY 11792 · Phone (631) 444-5437

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

Gurjeev Rattan 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.

PECOS PAC ID2961622436

PECOS Enrollment IDI20141003001963

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

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

Advantagecare Physicians PC

36 mi

General Practice

215 E 95TH ST
New York, NY 10128

Reassigned Medicare billing, New York enrollment
724 clinicians in this Medicare group

NPI 1336578772 (212) 996-8000

Ahava Medical And Rehabilitation Center, LLC

38 mi

Rehabilitation Practitioner

2555 NOSTRAND AVE
Brooklyn, NY 11210

Reassigned Medicare billing, New York enrollment
279 clinicians in this Medicare group

NPI 1184878274 (718) 951-8800

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 6

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.

328 services186 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

148 services87 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

95 services77 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

64 services51 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

28 services28 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11788 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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224

DME-Other DME · category DE017N

1 supplier11 claims143 services$18.27 avg. paid by Medicare

Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225

DME-Other DME · category DE017N

1 supplier11 claims315 services$2.36 avg. paid by Medicare

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

30 suppliers98 claims438 services$6.31 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

13 suppliers37 claims73 services$1.07 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

12 suppliers91 claims91 services$198.81 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

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

YOORI AN NP

Nurse Practitioner (Family)