DR. JAMES HASSEN JR. M.D.
NPI 1952333874
Emergency Medicine in Tucson, AZ

Q: What is James Hassen's NPI number?

The NPI number for James Hassen is 1952333874. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Q: What is James Hassen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for James Hassen was last updated on January 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment

6200 N LA CHOLLA BLVD, TUCSON, AZ 85741(520) 469-8014(520) 469-8006 Get Directions Write a Review

NPPES record last updated: January 11, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. James Hassen Jr. M.d. NPPES

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

DR. JAMES HASSEN JR. M.D. (NPI 1952333874) is an individual emergency medicine provider in Tucson, Arizona, licensed in Arizona (28300) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (1997).

NPPES Registry Identity

NPI1952333874

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. JAMES HASSEN JR.Credential: M.D.

Location Address6200 N LA CHOLLA BLVDTucson, AZ 85741-3529

Mailing Address7580 N La Cholla BlvdTucson, AZ 85741-2307 · (520) 547-2517 · Fax (520) 547-2518

Phone(520) 469-8014

Fax(520) 469-8006

Sole ProprietorNo

Medical School CMSCreighton University School Of MedicineGraduated 1997

Enumeration DateJuly 7, 2006

Last NPPES UpdateJanuary 11, 2011

✔ NPI 1952333874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in AZ · 28300

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

6200 N LA CHOLLA BLVD, Tucson, AZ 85741

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Other Identifiers 4

Medicare ID-Type Unspecified61889

Medicare UPINH14416

Other513855AZ · Ahcccs Id #

Medicare PIN28019

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.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. James Hassen Jr. 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 ID3678527942

PECOS Enrollment IDI20101229000909

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

Medicare enrollment records show James Hassen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwest Hbp Medical Services LLC

Same address

Emergency Medicine

6200 N LA CHOLLA BLVD
Tucson, AZ 85741

Reassigned Medicare billing, Arizona enrollment
664 clinicians in this Medicare group

NPI 1407353006 (520) 229-2657

Ies Arizona PLLC

9.0 mi

Emergency Medicine

5301 E GRANT RD
Tucson, AZ 85712

Reassigned Medicare billing, Arizona enrollment
121 clinicians in this Medicare group

NPI 1821752213 (520) 327-5461

Integrative Health Arizona LLC

9.0 mi

Internal Medicine

5240 E KNIGHT DR STE 100
Tucson, AZ 85712

Reassigned Medicare billing, Arizona enrollment

NPI 1598517302 (520) 329-0354

Progressive Medical Associates PLLC

89 mi

Emergency Medicine

1400 S DOBSON RD
Mesa, AZ 85202

Reassigned Medicare billing, Arizona enrollment
211 clinicians in this Medicare group

NPI 1548218613 (480) 456-9500

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

238 services233 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

151 services135 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

52 services51 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85741 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

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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.

ELLEN MARIE KULESA CRNA

Nurse Anesthetist, Certified Registered