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DR. MOHAMED NASSAR
NPI 1346545043
Internal Medicine in Redlands, CA

Active since January 11, 2011PECOS EnrolledAccepts Medicare Assignment
255 TERRACINA BLVD STE 105, REDLANDS, CA 92373(909) 793-0323 Get Directions Write a Review

NPPES record last updated: March 6, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2020, Feb 13, 2020, Jan 29, 2020 and 2 more (5 updates tracked since 2016).

About Dr. Mohamed Nassar NPPES

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

DR. MOHAMED NASSAR (NPI 1346545043) is an individual internal medicine provider in Redlands, California, licensed in California (C162298) and active in the NPI registry since January 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1346545043
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MOHAMED NASSAR
Location Address255 TERRACINA BLVD STE 105Redlands, CA 92373-4870
Mailing Address255 Terracina Blvd Ste 105Redlands, CA 92373-4870 · (909) 793-0323
Phone(909) 793-0323
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateJanuary 11, 2011
Last NPPES UpdateMarch 6, 20205 updates tracked since enumeration
NPPES CertifiedMarch 6, 2020
✔ NPI 1346545043 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · C162298
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
255 TERRACINA BLVD STE 105, Redlands, CA 92373
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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. Mohamed Nassar 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 ID749459550
PECOS Enrollment IDI20200128001223
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 Mohamed Nassar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hsi Services Inc
0.1 mi
Internal Medicine
255 TERRACINA BLVD STE 105
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1992342539 (909) 793-6526

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 12

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.
293 services158 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
238 services142 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
81 services32 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
31 services31 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
28 services19 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.
21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92373 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 11

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
6 suppliers24 claims50 services$5.00 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
3 suppliers12 claims12 services$0.94 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
1 supplier13 claims13 services$48.14 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
2 suppliers15 claims90 services$1.79 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$37.52 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier15 claims15 services$14.90 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

HSI SERVICES INC
Internal Medicine
255 TERRACINA BLVD STE 105
REDLANDS, CA 92373
San Bernardino County (909) 793-0323
HSI SERVICES INC
Internal Medicine
255 TERRACINA BLVD STE 105
REDLANDS, CA 92373
San Bernardino County (909) 793-6526

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 Mohamed Nassar's NPI number?

The NPI number for Mohamed Nassar is 1346545043. It was assigned to this individual provider in the NPPES registry on January 11, 2011.

Where is Mohamed Nassar located?

Mohamed Nassar practices at 255 Terracina Blvd Ste 105, Redlands, CA 92373. The listed phone number is (909) 793-0323.

What is Mohamed Nassar's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mohamed Nassar enrolled in Medicare?

Yes. Mohamed Nassar 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 Mohamed Nassar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohamed Nassar reassigns Medicare benefits to Hsi Services Inc (Redlands, 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 Mohamed Nassar'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 Mohamed Nassar was last updated on March 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.