RICHARD KEITH HOLLIS DO
NPI 1831119254
Radiology - Diagnostic Radiology in Long Beach, CA

NPI Status: Active since July 20, 2006

Contact Information

2801 ATLANTIC AVE
LONG BEACH, CA
ZIP 90806
Phone: (562) 933-1550

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  • Individual
  • Male
  • Years of Experience 28
  • Radiology
  • Diagnostic Radiology
  • Accepts Insurance
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About RICHARD HOLLIS

This page provides the complete NPI Profile along with additional information for Richard Hollis, a provider established in Long Beach, California with a medical specialization in Radiology, focusing in diagnostic radiology and more than 28 years of experience. He graduated from Midwestern University, Chicago College Of Osteopathic Med in 1998. The healthcare provider is registered in the NPI registry with number 1831119254 assigned on July 2006. The practitioner's primary taxonomy code is 2085R0202X with license number 14152 (CA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1831119254
Provider Name
RICHARD KEITH HOLLIS DO
Gender
Male
Entity Type
Individual
Location Address
2801 ATLANTIC AVE LONG BEACH, CA 90806
Location Phone
(562) 933-1550
Mailing Address
2801 ATLANTIC AVE LONG BEACH, CA 90806
Mailing Phone
(562) 933-1550
Medical School Name
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduation Year
1998
Is Sole Proprietor?
No
Enumeration Date
07-20-2006
Last Update Date
05-27-2026
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Location Map

Secondary Locations

  • 692 Rocky Knoll Ln
    Danville, VA 24541
    (952) 595-1100
  • 4440 W 95th St
    Oak Lawn, IL 60453
    (708) 684-5503

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

Radiology Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
14152
License State
CA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Principal Bronze HSA - EPO
  • Principal Bronze HSA + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • BlueCare EPO Bronze - EPO
  • BlueCare EPO Gold - EPO
  • BlueCare EPO Gold Plus - EPO
  • BlueCare EPO Silver Plus - EPO
  • BlueCare EPO Simple Bronze HDHP - EPO
  • BlueCare EPO Simple Silver HDHP - EPO
  • BlueCare EPO Standardized Expanded Bronze - EPO
  • BlueCare EPO Standardized Gold - EPO
  • BlueCare EPO Standardized Silver - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Richard Hollis 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.

Richard Hollis 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: 1153368725

    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: I20080222000304, I20191106003391, I20191115002315, I20200213001303, I20210913001372

    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

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.

Ct scan head or brain without contrast

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

This service was performed 85 times for 85 patients

Ct scan of abdomen and pelvis with contrast

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

This service was performed 58 times for 58 patients

Ct scan of abdomen and pelvis without contrast

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

This service was performed 42 times for 42 patients

Ct scan of blood vessels of chest with contrast

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

This service was performed 37 times for 37 patients

Ct scan of chest with contrast

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

This service was performed 13 times for 13 patients

Ct scan of pelvis without contrast

A CT scan of the pelvis without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your lower abdomen area. It helps in detecting issues like injuries, inflammation, or abnormal growths. It doesn't involve any dye injection.

This service was performed 11 times for 11 patients

Ct scan of upper spine without contrast

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

This service was performed 32 times for 32 patients

Ultrasound study of one arm or leg veins with compression and maneuvers

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

This service was performed 13 times for 13 patients

X-ray of chest, 1 view

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

This service was performed 92 times for 92 patients

X-ray of chest, 2 views

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

This service was performed 19 times for 19 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 90806 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $96.36
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $24.09
  • Minimum New Patient Copayment $15.74
  • Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $77.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $19.49
  • Minimum Established Patient Copayment $5.21
  • Maximum Established Patient Copayment $38.4

* 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.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Richard Hollis is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
HUDSON REGIONAL HOSPITAL55 MEADOWLANDS PKWY
SECAUCUS, NJ 07094
(201) 392-3200Acute Care Hospitals
RIVERSIDE REGIONAL MEDICAL CENTER500 J CLYDE MORRIS BLVD
NEWPORT NEWS, VA 23601
(757) 594-2000Acute Care Hospitals
RIVERSIDE WALTER REED HOSPITAL7519 HOSPITAL ROAD
GLOUCESTER, VA 23061
(804) 693-8800Acute Care Hospitals
RIVERSIDE DOCTORS' HOSPITAL OF WILLIAMSBURG1500 COMMONWEALTH AVENUE
WILLIAMSBURG, VA 23185
(757) 585-2010Acute Care Hospitals

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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 1831119254, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 2 + 1 + 1 + 8 + 2 + 1 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1831119254.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pediatrics (Pediatric Cardiology)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Pharmacist
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Radiology (Neuroradiology)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Radiology (Diagnostic Radiology)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Radiology (Nuclear Radiology)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Radiology (Diagnostic Radiology)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Pathology (Hematology)
2801 ATLANTIC AVE, DEPARTMENT OF PATHOLOGY
LONG BEACH, CA 90806
Pediatrics (Pediatric Critical Care Medicine)
2801 ATLANTIC AVE, 3RD FLOOR
LONG BEACH, CA 90806
Pathology (Anatomic Pathology & Clinical Pathology)
2801 ATLANTIC AVE, DEPARTMENT OF PATHOLOGY
LONG BEACH, CA 90806
Pathology (Anatomic Pathology & Clinical Pathology)
2801 ATLANTIC AVE, DEPARTMENT OF PATHOLOGY
LONG BEACH, CA 90806
Physician Assistant
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Pathology (Anatomic Pathology & Clinical Pathology)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Physician Assistant
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Emergency Medicine
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Nurse Practitioner
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Physician Assistant
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Emergency Medicine
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Emergency Medicine
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Emergency Medicine
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Physician Assistant
2801 ATLANTIC AVE
LONG BEACH, CA 90806

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831119254, enumerated as an "individual" on July 20, 2006.

The provider is located at 2801 ATLANTIC AVE LONG BEACH, CA 90806 and the phone number is (562) 933-1550.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.

The provider might be accepting Accepts: Ambetter Health, Ambetter Health of Delaware and. Please consult your insurance carrier or call the provider to verify.

Richard Hollis is affiliated with: HUDSON REGIONAL HOSPITAL, RIVERSIDE REGIONAL MEDICAL CENTER, RIVERSIDE WALTER REED HOSPITAL and RIVERSIDE DOCTORS' HOSPITAL OF WILLIAMSBURG.