GURKAMAL SINGH CHATTA MD
NPI 1114999083
Internal Medicine - Medical Oncology in Buffalo, NY

Active since February 06, 2006PECOS EnrolledAccepts Medicare Assignment
ELM AND CARLTON ST, BUFFALO, NY 14263(716) 845-2300(716) 845-3519 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 17, 2021, May 12, 2016, Feb 8, 2016 (3 updates tracked since 2016).

About Gurkamal Singh Chatta Md NPPES

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

GURKAMAL SINGH CHATTA MD (NPI 1114999083) is an individual medical oncology provider in Buffalo, New York, licensed in New York (284329) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Sky Lakes Medical Center, and maintains a secondary practice location in Klamath Falls.

NPPES Registry Identity

NPI1114999083
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameGURKAMAL SINGH CHATTACredential: MD
Location AddressELM AND CARLTON STBuffalo, NY 14263-0001
Mailing AddressElm And Carlton StBuffalo, NY 14263-0001 · (716) 845-2300 · Fax (716) 845-3519
Fax(716) 845-3519
Sole ProprietorNo
Medical School CMSOtherGraduated 1979
Enumeration DateFebruary 6, 2006
Last NPPES UpdateJune 11, 20263 updates tracked since enumeration
NPPES CertifiedJune 11, 2026
✔ NPI 1114999083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Licenses✔ Licensed in NY · 284329✔ Licensed in OR · MD228838
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedSpecialistTaxonomy 174400000X · License MD417845 (PA)
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License MD00025531 (WA)
ELM AND CARLTON ST, Buffalo, NY 14263

Secondary Practice Location 1

Location 12610 Uhrmann RdKlamath Falls, OR 97601-1123 · Phone (541) 274-4171 · Fax (541) 274-4174

Other Identifiers 3

OtherP01023152WA · Railroad Medicare
Medicaid001748651PA
Medicaid1114999083WA

Accepted Insurance

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

Gurkamal Singh Chatta 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 ID1951425263
PECOS Enrollment IDI20160714002167, I20260626001311
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 Gurkamal Chatta reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
ELM AND CARLTON ST
Buffalo, NY 14263
  • Reassigned Medicare billing, New York enrollment
  • 602 clinicians in this Medicare group
General Acute Care Hospital
2865 DAGGETT AVE
Klamath Falls, OR 97601
  • Reassigned Medicare billing, Oregon enrollment
  • 355 clinicians in this Medicare group

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.

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.
96 services55 patients
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.
79 services33 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.
17 services14 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Sky Lakes Medical Center

Acute Care Hospitals · Klamath Falls, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380050
Location2865 Daggett AvenueKlamath Falls, OR 97601 · Klamath County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14263 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
$166.88 typical visit price
range $54.87 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
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.

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.

Physician Assistant
ELM AND CARLTON ST
BUFFALO, NY 14263
Dentist
ELM AND CARLTON ST
BUFFALO, NY 14263
Family Medicine
ELM AND CARLTON ST
BUFFALO, NY 14263
Nurse Practitioner (Family)
ELM AND CARLTON ST
BUFFALO, NY 14263
Nurse Practitioner (Acute Care)
ELM AND CARLTON ST
BUFFALO, NY 14263
Pharmacist
ELM AND CARLTON ST
BUFFALO, NY 14263
Surgery (Surgical Oncology)
ELM AND CARLTON ST
BUFFALO, NY 14263
Internal Medicine
ELM AND CARLTON ST
BUFFALO, NY 14263

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 Gurkamal Chatta's NPI number?

The NPI number for Gurkamal Chatta is 1114999083. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Gurkamal Chatta located?

Gurkamal Chatta practices at Elm And Carlton St, Buffalo, NY 14263. The listed phone number is (716) 845-2300.

What is Gurkamal Chatta's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Gurkamal Chatta enrolled in Medicare?

Yes. Gurkamal Chatta 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 Gurkamal Chatta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gurkamal Chatta reassigns Medicare benefits to 2 organizations: Roswell Park Cancer Institute (Buffalo, NY) and Sky Lakes Medical Center Inc (Klamath Falls, OR). 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 Gurkamal Chatta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gurkamal Chatta accept?

Health plans from Moda Health Plan, Inc. and Providence Health Plan list Gurkamal Chatta as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gurkamal Chatta affiliated with any hospitals?

According to CMS data, Gurkamal Chatta is affiliated with Sky Lakes Medical Center.

When was this NPI record last updated?

The NPPES record for Gurkamal Chatta was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.