DR. HASSAN HAJI MD
NPI 1720666522
Hospitalist in Annapolis, MD
About Dr. Hassan Haji Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HASSAN HAJI MD (NPI 1720666522) is an individual hospitalist provider in Annapolis, Maryland, licensed in Minnesota (75966) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with North Memorial Health Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 3
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
Dr. Hassan Haji 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.
Medicare Billing Reassignments
5Medicare enrollment records show Hassan Haji reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Big Lake, MN 55309
- Reassigned Medicare billing, Minnesota enrollment
- 1,051 clinicians in this Medicare group
Monticello, MN 55362
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1558600874 (Minnesota)
- 287 clinicians in this Medicare group
Willmar, MN 56201
- Reassigned Medicare billing, Minnesota enrollment
- 236 clinicians in this Medicare group
Willmar, MN 56201
- Reassigned Medicare billing, Minnesota enrollment
- 179 clinicians in this Medicare group
Long Prairie, MN 56347
- Reassigned Medicare billing, Minnesota enrollment
- 156 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Memorial Health Hospital
Acute Care Hospitals · Robbinsdale, MNSt Cloud Hospital
Acute Care Hospitals · Saint Cloud, MNCentracare- Rice Memorial Hospital
Acute Care Hospitals · Willmar, MNCentracare Health - Monticello
Critical Access Hospitals · Monticello, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
ANNAPOLIS, MD 21401
ANNAPOLIS, MD 21401
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 Hassan Haji's NPI number?
The NPI number for Hassan Haji is 1720666522. It was assigned to this individual provider in the NPPES registry on April 1, 2021.
Where is Hassan Haji located?
Hassan Haji practices at 2001 Medical Pkwy, Annapolis, MD 21401. The listed phone number is (443) 481-1091.
What is Hassan Haji's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Hassan Haji enrolled in Medicare?
Yes. Hassan Haji 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 Hassan Haji's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hassan Haji reassigns Medicare benefits to 5 organizations: Centracare Clinic (Big Lake, MN), Centracare Health System-Nr LLC (Monticello, MN), Centracare Clinic Southwest LLC (Willmar, MN), Carris Health LLC (Willmar, MN) and Centracare Health System - Long Prairie (Long Prairie, MN). 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 Hassan Haji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hassan Haji accept?
Health plans from Sanford Health Plan list Hassan Haji 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 Hassan Haji affiliated with any hospitals?
According to CMS data, Hassan Haji is affiliated with North Memorial Health Hospital, St Cloud Hospital, Centracare- Rice Memorial Hospital and Centracare Health - Monticello.
When was this NPI record last updated?
The NPPES record for Hassan Haji was last updated on May 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Hassan Haji, MD · NPI 1720666522
Hospitalist physician in Annapolis, Maryland. Individual provider, active in the CMS NPPES registry since April 1, 2021.
## Identity
- **NPI:** 1720666522 (Entity type: Individual)
- **Enumerated:** April 1, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 75966 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 2001 MEDICAL PKWY, Annapolis, MD 21401-3773
- **Phone:** (443) 481-1091
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Centracare Clinic (NPI 1013104348, Big Lake, MN); Centracare Health System-Nr LLC (NPI 1003353202, Monticello, MN); Centracare Clinic Southwest LLC (NPI 1174106264, Willmar, MN); Carris Health LLC (NPI 1134632680, Willmar, MN); Centracare Health System - Long Prairie (NPI 1164471678, Long Prairie, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** May 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1720666522) · Data from the CMS NPPES public registry.