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

DR. HARMAN RAHAL GREWAL
NPI 1922502103
Internal Medicine - Gastroenterology in Bakersfield, CA

Active since March 21, 2018PECOS EnrolledAccepts Medicare Assignment
9802 STOCKDALE HWY STE 102, BAKERSFIELD, CA 93311(661) 323-1200 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 12, 2026, Oct 11, 2024, Mar 21, 2018 (3 updates tracked since 2018).

About Dr. Harman Rahal Grewal NPPES

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

DR. HARMAN RAHAL GREWAL (NPI 1922502103) is an individual gastroenterology provider in Bakersfield, California, licensed in California (A166800) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2018).

NPPES Registry Identity

NPI1922502103
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. HARMAN RAHAL GREWAL
Location Address9802 STOCKDALE HWY STE 102Bakersfield, CA 93311-3653
Mailing Address9802 Stockdale Hwy Ste 102Bakersfield, CA 93311-3653 · (661) 323-1200 · Fax (661) 323-1204
Sole ProprietorYes
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2018
Enumeration DateMarch 21, 2018
Last NPPES UpdateOctober 12, 20263 updates tracked since enumeration
NPPES CertifiedOctober 12, 2026
✔ NPI 1922502103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A166800
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
9802 STOCKDALE HWY STE 102, Bakersfield, CA 93311

Other Names 1

Former Name (1)Dr. Harman Kaur Rahal Md

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

Dr. Harman Rahal Grewal 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 ID2264963412
PECOS Enrollment IDI20240930001669
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 Harman Grewal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gastroenterology
9802 STOCKDALE HWY STE 102
Bakersfield, CA 93311
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Paramvir S Rahal M D Inc
  • 9 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 3

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.

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
48 services48 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
34 services34 patients
Dilation of esophagus with a guide wire 43453
Dilation of the esophagus with a guide wire is a procedure to widen your esophagus. This is done to help food and liquid pass more easily into your stomach. A thin wire is inserted through your mouth and gently expands your esophagus.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93311 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
$135.05 typical visit price
range $59.26 – $178.09
Typical copayment $33.76 (range $14.81 – $44.52)
Most-billed visit code 99204
Established Patient
$104.09 typical visit price
range $19.34 – $145.64
Typical copayment $26.02 (range $4.83 – $36.41)
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 4

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

Student in an Organized Health Care Education/Training Program
9802 STOCKDALE HWY STE 102
BAKERSFIELD, CA 93311
Internal Medicine (Gastroenterology)
9802 STOCKDALE HWY STE 102
BAKERSFIELD, CA 93311
Internal Medicine (Gastroenterology)
9802 STOCKDALE HWY STE 102
BAKERSFIELD, CA 93311
Nurse Practitioner (Family)
9802 STOCKDALE HWY STE 102
BAKERSFIELD, CA 93311

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 Harman Grewal's NPI number?

The NPI number for Harman Grewal is 1922502103. It was assigned to this individual provider in the NPPES registry on March 21, 2018. The provider is also known as Dr. Harman Kaur Rahal MD.

Where is Harman Grewal located?

Harman Grewal practices at 9802 Stockdale Hwy Ste 102, Bakersfield, CA 93311. The listed phone number is (661) 323-1200.

What is Harman Grewal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Harman Grewal enrolled in Medicare?

Yes. Harman 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.

Which organization bills Medicare for Harman Grewal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harman Grewal reassigns Medicare benefits to Paramvir S Rahal MD Inc (Bakersfield, CA). 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 Harman Grewal'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 Harman Grewal was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.