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DR. ALLEN A. HASSEN M.D.
NPI 1659604023
Family Medicine in West Covina, CA

Active since September 16, 2009PECOS EnrolledAccepts Medicare Assignment
3121 E HILLSIDE DR, WEST COVINA, CA 91791(626) 347-8220 Get Directions Write a Review

NPPES record last updated: July 13, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Allen A. Hassen M.d. NPPES

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

DR. ALLEN A. HASSEN M.D. (NPI 1659604023) is an individual family medicine provider in West Covina, California, licensed in California (A114943) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1659604023
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. ALLEN A. HASSENCredential: M.D.
Location Address3121 E HILLSIDE DRWest Covina, CA 91791-3459
Mailing Address3121 E Hillside DrWest Covina, CA 91791-3459 · (626) 347-8220
Phone(626) 347-8220
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateSeptember 16, 2009
Last NPPES UpdateJuly 13, 2011
✔ NPI 1659604023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A114943
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineTaxonomy 2083P0500X · License A114943 (CA)
Also ListedPreventive Medicine · Occupational MedicineTaxonomy 2083X0100X · License A114943 (CA)
Also ListedGeneral PracticeTaxonomy 208D00000X · License A114943 (CA)
3121 E HILLSIDE DR, West Covina, CA 91791
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Allen A. Hassen 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 ID6800186669
PECOS Enrollment IDI20190716001886
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.

Areas of Expertise CMS Part B claims 2

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 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.
13 services11 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91791 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
3 suppliers14 claims24 services$6.22 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers11 claims11 services$0.92 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Allen Hassen's NPI number?

The NPI number for Allen Hassen is 1659604023. It was assigned to this individual provider in the NPPES registry on September 16, 2009.

Where is Allen Hassen located?

Allen Hassen practices at 3121 E Hillside Dr, West Covina, CA 91791. The listed phone number is (626) 347-8220.

What is Allen Hassen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Allen Hassen enrolled in Medicare?

Yes. Allen Hassen 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.

When was this NPI record last updated?

The NPPES record for Allen Hassen was last updated on July 13, 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.