BAHAA BOLOUS GIRGIS M.D.
NPI 1154519213
Internal Medicine in Riverside, CA

NPI Status: Active since October 13, 2007

Contact Information

9194 MAGNOLIA AVE
RIVERSIDE, CA
ZIP 92503
Phone: (951) 352-2421

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  • Individual
  • Male
  • Years of Experience 44
  • Internal Medicine
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About BAHAA GIRGIS

This page provides the complete NPI Profile along with additional information for Bahaa Girgis, an internist established in Riverside, California with a medical specialization in Internal Medicine and more than 44 years of experience. The healthcare provider is registered in the NPI registry with number 1154519213 assigned on October 2007. The practitioner's primary taxonomy code is 207R00000X with license number A64665 (CA). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1154519213
Provider Name
BAHAA BOLOUS GIRGIS M.D.
Gender
Male
Entity Type
Individual
Location Address
9194 MAGNOLIA AVE RIVERSIDE, CA 92503
Location Phone
(951) 352-2421
Mailing Address
31481 PASEO DIOSA SAN JUAN CAPISTRANO, CA 92675
Mailing Phone
(951) 756-5551
Medical School Name
OTHER
Graduation Year
1982
Is Sole Proprietor?
Yes
Enumeration Date
10-13-2007
Last Update Date
02-16-2026
Code Navigator

An internist like Bahaa Girgis is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
A64665
License State
CA
Taxonomy Description
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.

Medicare Participation & PECOS Enrollment Status

Bahaa Girgis is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Bahaa Girgis is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 2860544590

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20090710000221

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    3 DME suppliers used 12 Medicare Claims 27 Services Paid

  • DME-Other DME (DE005N)

    Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) (HCPCS:E0466)

    1 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Other DME (DE001N)

    Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) (HCPCS:E0470)

    1 DME suppliers used 11 Medicare Claims 11 Services Paid

  • DME-Other DME (DE000N)

    Iv pole (HCPCS:E0776)

    3 DME suppliers used 24 Medicare Claims 24 Services Paid

  • DME-Wheelchairs (DD000N)

    Standard wheelchair (HCPCS:K0001)

    2 DME suppliers used 17 Medicare Claims 17 Services Paid

  • DME-Wheelchairs (DD000N)

    Standard hemi (low seat) wheelchair (HCPCS:K0002)

    1 DME suppliers used 19 Medicare Claims 20 Services Paid

Unknown

  • Other-Enteral and Parenteral (OB006N)

    Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape (HCPCS:B4035)

    4 DME suppliers used 31 Medicare Claims 1145 Services Paid

  • Other-Enteral and Parenteral (OB006N)

    Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit (HCPCS:B4150)

    3 DME suppliers used 19 Medicare Claims 11556 Services Paid

  • Other-Enteral and Parenteral (OB006N)

    Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit (HCPCS:B4152)

    1 DME suppliers used 12 Medicare Claims 4931 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

This service was performed 106 times for 43 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

This service was performed 548 times for 115 patients

Established patient custodial care facility, group care, or assisted living visit, typically 25 minutes

This refers to a routine medical visit for an established patient living in a group care facility, custodial care, or assisted living. The visit typically lasts 25 minutes and includes a check-up and discussion about ongoing healthcare needs.

This service was performed 530 times for 70 patients

Follow-up nursing facility visit per day, typically 15 minutes

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

This service was performed 249 times for 52 patients

Follow-up nursing facility visit per day, typically 15 minutes

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

This service was performed 89 times for 20 patients

Follow-up nursing facility visit per day, typically 25 minutes

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.

This service was performed 355 times for 55 patients

Initial nursing facility visit per day, typically 35 minutes

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

This service was performed 35 times for 32 patients

Initial nursing facility visit per day, typically 45 minutes

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.

This service was performed 22 times for 20 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

This service was performed 64 times for 48 patients

Psychiatric diagnostic evaluation with medical services

A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.

This service was performed 41 times for 40 patients

Transitional care management services for problem of moderate complexity

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

This service was performed 88 times for 45 patients

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 92503 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $136.04
  • Minimum New Patient Price $59.6
  • Maximum New Patient Price $179.42
  • Average New Patient Copayment $34.01
  • Minimum New Patient Copayment $14.9
  • Maximum New Patient Copayment $44.85

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $104.64
  • Minimum Established Patient Price $19.37
  • Maximum Established Patient Price $146.42
  • Average Established Patient Copayment $26.16
  • Minimum Established Patient Copayment $4.84
  • Maximum Established Patient Copayment $36.6

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1154519213, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 5 → 10 → 1 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 1 + 0 + 4 + 1 + 0 + 1 + 1 + 8 + 2 + 2 + 24 = 47

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1154519213.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacist
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Pharmacy (Community/Retail Pharmacy)
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503
Clinic/Center
9194 MAGNOLIA AVE
RIVERSIDE, CA 92503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154519213, enumerated as an "individual" on October 13, 2007.

The provider is located at 9194 MAGNOLIA AVE RIVERSIDE, CA 92503 and the phone number is (951) 352-2421.

Internal Medicine with taxonomy code 207R00000X.