DR. MARK AYOUB MD
NPI 1689961310
Orthopaedic Surgery in Clovis, CA

NPI Status: Active since July 01, 2011

Contact Information

604 N MAGNOLIA AVE STE 100
CLOVIS, CA
ZIP 93611
Phone: (559) 320-0531
Fax: (559) 320-0539

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  • Individual
  • Male
  • Years of Experience 16
  • Orthopaedic Surgery
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MARK AYOUB

This page provides the complete NPI Profile along with additional information for Mark Ayoub, a provider established in Clovis, California with a medical specialization in Orthopaedic Surgery and more than 16 years of experience. The healthcare provider is registered in the NPI registry with number 1689961310 assigned on July 2011. The practitioner's primary taxonomy code is 207X00000X with license number A150352 (CA). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1689961310
Provider Name
DR. MARK AYOUB MD
Gender
Male
Entity Type
Individual
Location Address
604 N MAGNOLIA AVE STE 100 CLOVIS, CA 93611
Location Phone
(559) 320-0531
Location Fax
(559) 320-0539
Mailing Address
2625 E DIVISADERO ST FRESNO, CA 93721
Medical School Name
OTHER
Graduation Year
2011
Is Sole Proprietor?
No
Enumeration Date
07-01-2011
Last Update Date
06-04-2026
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Location Map

Secondary Locations

  • 300 Birnie Ave Ste 201
    Springfield, MA 01107
    (413) 785-4666

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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
A150352
License State
CA
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207XX0801XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Orthopaedic Trauma

A150352 (CA)
2207XX0801XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Orthopaedic Trauma

1027417 (MA)

Medicare Participation & PECOS Enrollment Status

Mark Ayoub is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Mark Ayoub 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: 1254612906

    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: I20170915002156

    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? Yes

    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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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.

This service was performed 90 times for 60 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 17 times for 17 patients

Treatment of broken neck of thigh bone with bone implant

This procedure involves repairing a fractured thigh bone by inserting a bone implant. The implant helps stabilize the bone, allowing it to heal correctly. It's performed under anesthesia and requires a hospital stay for recovery.

This service was performed 18 times for 18 patients

Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement

This procedure involves treating a fracture at the top of your thigh bone. A stabilizing device or prosthetic replacement is placed to aid in healing. This helps restore mobility and function while reducing pain. The treatment aims for a quick and safe recovery.

This service was performed 18 times for 18 patients

X-ray of ankle, minimum of 3 views

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

This service was performed 25 times for 12 patients

X-ray of hip, 2-3 views

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

This service was performed 44 times for 35 patients

X-ray of shoulder, minimum of 2 views

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

This service was performed 19 times for 14 patients

X-ray of thigh bone, minimum 2 views

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

This service was performed 28 times for 18 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $22.58 for a new patient copayment and $18.29 for an established patient copayment.

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 93611 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $90.32
  • Minimum New Patient Price $58.87
  • Maximum New Patient Price $176.6
  • Average New Patient Copayment $22.58
  • Minimum New Patient Copayment $14.71
  • Maximum New Patient Copayment $44.15

Established Patients Visit Costs *

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

  • Average Established Patient Price $73.16
  • Minimum Established Patient Price $19.28
  • Maximum Established Patient Price $144.6
  • Average Established Patient Copayment $18.29
  • Minimum Established Patient Copayment $4.82
  • Maximum Established Patient Copayment $36.15

* 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 1689961310, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
0
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 8 → 16 → 7 9 → 18 → 9 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 8 + 6 + 2 + 3 + 2 + 24 = 70

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

The next multiple of ten after 70 is 70. The difference is the calculated check digit.

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1689961310.

Other Providers at the Same Location


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

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery (Orthopaedic Trauma)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Physician Assistant (Surgical)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery (Hand Surgery)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Physician Assistant (Surgical)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery (Hand Surgery)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Nurse Practitioner
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Physician Assistant (Surgical)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Physician Assistant (Surgical)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Physician Assistant (Surgical)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery (Hand Surgery)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Nurse Practitioner
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Physician Assistant (Surgical)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611
Physician Assistant (Surgical)
604 N MAGNOLIA AVE STE 100
CLOVIS, CA 93611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689961310, enumerated as an "individual" on July 01, 2011.

The provider is located at 604 N MAGNOLIA AVE STE 100 CLOVIS, CA 93611 and the phone number is (559) 320-0531.

Orthopaedic Surgery with taxonomy code 207X00000X.