DR. HARISH GANGARAM AHUJA (MD) – Hematology & Oncology Physician, NPI 1841201746

DR. HARISH GANGARAM AHUJA (MD) is a healthcare provider. based in Duluth, Minnesota. specializing in HEMATOLOGY/ONCOLOGY. They hold the professional credentials MD. They hold a License No. 42041 (WI). The NPI Number for DR. HARISH GANGARAM AHUJA (MD) is 1841201746

Main info

Male
48 Years Of Experience
Accepts Medicare Assignment
Name
DR. HARISH GANGARAM AHUJA (MD)
NPI
1841201746
Phone
Not provided
Address
400 E 3RD ST
Enumeration Date
10 August 2006
Last Update Date
24 September 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7013648900
Graduation Year
1978 (48 years ago)
PAC ID
4880649458
Group Practice PAC ID
9931298155
Professional Enrollment ID
I20241002003464
Address ID
ND581034940FA1702XSXXX400
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience80
Completeness75
Years active:19State licenses:3Digital endpointsOther names

50 HEMATOLOGY/ONCOLOGY in ND

Provider Addresses for DR. HARISH GANGARAM AHUJA (MD)

  • 400 E 3RD ST

    DULUTH, MN 558051951

    Phone:

    Type: Mailing

  • 1702 UNIVERSITY DR S

    FARGO, ND 581034940

    Phone: (013) 648-9007

    Type: Location

  • Wausau Post Office, 235, Forest Street, River District, Wausau, Marathon County, Wisconsin, 54403, United States

    WAUSAU, WI 544021008

    Phone: (715) 847-2304

    Type: Mailing

  • 333, Pine Ridge Boulevard, Wausau, Marathon County, Wisconsin, 54401, United States

    WAUSAU, WI 544014120

    Phone: (715) 847-2866

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 53 Open Payments records for all available years, with a total value of $4,672.

Total Amount is formed as General ($4,672) + Research ($0) + Ownership ($0) = $4,672.

Last reported payment date: 2024-11-12 • Largest payer in this snapshot: TAIHO ONCOLOGY, INC. ($3,457).

Total Amount

$4,672

General + Research + Ownership

Payments

53

Total payment records

General Amount

$4,672

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-12

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-10-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20241002003464IHematology/OncologyNDTBD
I20241004002678IHematology/OncologyMNTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 55805)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9931298155View full group profile
NameSpecialtyState
O B S T E T R I C S/ G Y N E C O L O G YND
Interventional RadiologyND
General SurgeryMN
Nurse PractitionerND
Physical Therapist In Private PracticeND
Nurse PractitionerND
Hospitalist, Internal MedicineND
Family PracticeND
Nurse PractitionerMN
Nurse PractitionerND

Reviews

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Frequently asked questions

What is the registry number for DR. HARISH GANGARAM AHUJA (MD)?
The registry entry for DR. HARISH GANGARAM AHUJA (MD) shows NPI 1841201746.
Is DR. HARISH GANGARAM AHUJA (MD)'s NPI status active today?
Active status means DR. HARISH GANGARAM AHUJA (MD)'s NPI record is not deactivated in the public file.
What type of care does DR. HARISH GANGARAM AHUJA (MD) provide?
DR. HARISH GANGARAM AHUJA (MD)'s profile centers on Hematology & Oncology Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to DR. HARISH GANGARAM AHUJA (MD)?
DR. HARISH GANGARAM AHUJA (MD) shows a connection to Duluth, Minnesota in registry-derived data.
Why is information missing for DR. HARISH GANGARAM AHUJA (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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