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DIDDARJIT GREWAL M.D.
NPI 1912934647
Internal Medicine in Rochester, NY

Active since June 27, 2006PECOS EnrolledAccepts Medicare Assignment
95.19/100
CMS Quality Rating
2655 RIDGEWAY AVE, SUITE 480, ROCHESTER, NY 14626(585) 865-8210 Get Directions Write a Review

NPPES record last updated: March 3, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Diddarjit Grewal M.d. NPPES

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

DIDDARJIT GREWAL M.D. (NPI 1912934647) is an individual internal medicine provider in Rochester, New York, licensed in New York (230824) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1912934647
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDIDDARJIT GREWALCredential: M.D.
Location Address2655 RIDGEWAY AVE, SUITE 480Rochester, NY 14626-4296
Mailing Address2655 Ridgeway Ave, Suite 480Rochester, NY 14626-4296 · (585) 865-8210
Phone(585) 865-8210
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateJune 27, 2006
Last NPPES UpdateMarch 3, 2015
✔ NPI 1912934647 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 · 230824
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.
2655 RIDGEWAY AVE, Rochester, NY 14626
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Other Names 1

Former Name (1)Diddarjit Gill M.d.

Other Identifiers 3

Medicare PINA400002137-70008ANY
Medicaid02586758NY
Medicare PINA400002138-BA0017NY

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

Diddarjit Grewal M.d. 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 ID2365432184
PECOS Enrollment IDI20040514000072
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.

Areas of Expertise CMS Part B claims 2

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.
157 services81 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.
37 services28 patients

Hospital Affiliations CMS Care Compare 2

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

Rochester General Hospital

Acute Care Hospitals · Rochester, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330125
Location1425 Portland AvenueRochester, NY 14621 · Monroe County
Emergency services Birthing friendly

Unity Hospital

Acute Care Hospitals · Rochester, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330226
Location1555 Long Pond RoadRochester, NY 14626 · Monroe County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14626 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.19/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality70.62
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers13 claims13 services$67.66 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$36.79 avg. paid by Medicare
Power wheelchair, group 2 standard, single power option, sling/solid seat/back, patient weight capacity up to and including 300 pounds K0835
DME-Wheelchairs · category DD009N
1 supplier12 claims12 services$192.49 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 20

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

ELVA PARKER CDE
Dietitian, Registered
2655 RIDGEWAY AVE, SUITE 220
ROCHESTER, NY 14626
Monroe County (585) 368-4560
MRS. COLLEEN MARIE MITRANO MS PT
Physical Therapist
2655 RIDGEWAY AVE
ROCHESTER, NY 14626
Monroe County (585) 368-6600
MS. AMY ELIZABETH KONOPKA RD
Dietitian, Registered
2655 RIDGEWAY AVE
ROCHESTER, NY 14626
Monroe County (585) 368-4560
ANTHONY PETRAGLIA M.D.
Neurological Surgery
2655 RIDGEWAY AVE, SUITE 340
ROCHESTER, NY 14626
Monroe County (585) 368-6545
PATRICK J. REID M.D.
Neurological Surgery
2655 RIDGEWAY AVE, SUITE 340
ROCHESTER, NY 14626
Monroe County (585) 368-6545
NITHYANANDINI NAMASSIVAYA MD
Physical Medicine & Rehabilitation (Spinal Cord Injury Medicine)
2655 RIDGEWAY AVE, SUITE 420
ROCHESTER, NY 14626
Monroe County (585) 723-7972
KATHARINE R WILSON MSPT, CHT
Physical Therapist
2655 RIDGEWAY AVE, SUITE 320
ROCHESTER, NY 14626
Monroe County (585) 368-6600
SKYLER WHIPPLE
Physical Therapist
2655 RIDGEWAY AVE
ROCHESTER, NY 14626
Monroe County (585) 368-6600

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 Diddarjit Grewal's NPI number?

The NPI number for Diddarjit Grewal is 1912934647. It was assigned to this individual provider in the NPPES registry on June 27, 2006. The provider is also known as Diddarjit Gill M.D..

Where is Diddarjit Grewal located?

Diddarjit Grewal practices at 2655 Ridgeway Ave Suite 480, Rochester, NY 14626. The listed phone number is (585) 865-8210.

What is Diddarjit Grewal's specialty?

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

Is Diddarjit Grewal enrolled in Medicare?

Yes. Diddarjit Grewal 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.

Is Diddarjit Grewal affiliated with any hospitals?

According to CMS data, Diddarjit Grewal is affiliated with Rochester General Hospital and Unity Hospital.

When was this NPI record last updated?

The NPPES record for Diddarjit Grewal was last updated on March 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.