1. Home
  2. Directory
  3. California
  4. San Bernardino
  5. Internal Medicine
  6. NPI Profile

DR. OUSAMA ISMAEL MD
NPI 1740451079
Internal Medicine in San Bernardino, CA

Active since March 14, 2008PECOS EnrolledAccepts Medicare Assignment
1869 N WATERMAN AVE STE 200, SAN BERNARDINO, CA 92404(909) 881-0030(909) 881-0040 Get Directions Write a Review

NPPES record last updated: June 27, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 24, 2021, Mar 24, 2020 (2 updates tracked since 2020).

About Dr. Ousama Ismael Md NPPES

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

DR. OUSAMA ISMAEL MD (NPI 1740451079) is an individual internal medicine provider in San Bernardino, California, licensed in California (A100770) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1740451079
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. OUSAMA ISMAELCredential: MD
Location Address1869 N WATERMAN AVE STE 200San Bernardino, CA 92404-4830
Mailing Address12223 Highland Ave, Suite 106, Box 607Rancho Cucamonga, CA 91739 · (909) 996-0333
Phone(909) 881-0030
Fax(909) 881-0040
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateMarch 14, 2008
Last NPPES UpdateJune 27, 20222 updates tracked since enumeration
NPPES CertifiedJune 27, 2022
✔ NPI 1740451079 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 · A100770
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.
1869 N WATERMAN AVE STE 200, San Bernardino, CA 92404
Open in Google Maps ↗

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. Ousama Ismael 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.

PECOS PAC ID1759560105
PECOS Enrollment IDI20110201000184
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

3

Medicare enrollment records show Ousama Ismael reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Us Healthcare Inc
Same address
Internal Medicine
1869 N WATERMAN AVE STE 200
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1760843502 (909) 881-0030
Inpatient Specialists Of California, PC
0.2 mi
Internal Medicine
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,216 clinicians in this Medicare group
NPI 1952792475 (615) 377-5658
Galen Inpatient Physicians PC
27 mi
Internal Medicine
15248 ELEVENTH ST
Victorville, CA 92395
  • Reassigned Medicare billing, California enrollment
  • 962 clinicians in this Medicare group
NPI 1225672967 (760) 245-8691

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
695 services100 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.
531 services97 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.
148 services29 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
127 services91 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
109 services41 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
105 services83 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92404 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
91%102 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

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

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims278 services$4.27 avg. paid by Medicare
Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154
Other-Enteral and Parenteral · category OB006N
2 suppliers14 claims7,015 services$0.55 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
2 suppliers15 claims15 services$38.52 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
2 suppliers32 claims32 services$14.44 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers32 claims32 services$67.29 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

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

US HEALTHCARE INC
Internal Medicine
1869 N WATERMAN AVE STE 200
SAN BERNARDINO, CA 92404
San Bernardino County (909) 881-0030

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 Ousama Ismael's NPI number?

The NPI number for Ousama Ismael is 1740451079. It was assigned to this individual provider in the NPPES registry on March 14, 2008.

Where is Ousama Ismael located?

Ousama Ismael practices at 1869 N Waterman Ave Ste 200, San Bernardino, CA 92404. The listed phone number is (909) 881-0030.

What is Ousama Ismael's specialty?

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

Is Ousama Ismael enrolled in Medicare?

Yes. Ousama Ismael 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 Ousama Ismael's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ousama Ismael reassigns Medicare benefits to 3 organizations: Us Healthcare Inc (San Bernardino, CA), Inpatient Specialists Of California, PC (San Bernardino, CA) and Galen Inpatient Physicians PC (Victorville, CA). 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 Ousama Ismael'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 Ousama Ismael was last updated on June 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.