MHER ONANYAN M.D.
NPI 1861755241
Internal Medicine - Pulmonary Disease in Mission Hills, CA

NPI Status: Active since June 20, 2012

Contact Information

11333 N SEPULVEDA BLVD
MISSION HILLS, CA
ZIP 91345
Phone: (818) 869-7267

Get Directions Write a Review

  • Individual
  • Male
  • Years of Experience 30
  • Internal Medicine
  • Pulmonary Disease
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MHER ONANYAN

This page provides the complete NPI Profile along with additional information for Mher Onanyan, an internist established in Mission Hills, California with a medical specialization in Internal Medicine, focusing in pulmonary disease and more than 30 years of experience. The healthcare provider is registered in the NPI registry with number 1861755241 assigned on June 2012. The practitioner's primary taxonomy code is 207RP1001X with license number A135646 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1861755241
Provider Name
MHER ONANYAN M.D.
Gender
Male
Entity Type
Individual
Location Address
11333 N SEPULVEDA BLVD MISSION HILLS, CA 91345
Location Phone
(818) 869-7267
Mailing Address
PO BOX 9602 MISSION HILLS, CA 91346
Mailing Phone
(818) 837-5559
Mailing Fax
Medical School Name
OTHER
Graduation Year
1996
Is Sole Proprietor?
No
Enumeration Date
06-20-2012
Last Update Date
09-08-2020
Code Navigator

An internist like Mher Onanyan 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 Pulmonary Disease

Taxonomy Code
207RP1001X
Type
Allopathic & Osteopathic Physicians
License No.
A135646
License State
CA
Taxonomy Description
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

135646 (CA)
2207RC0200XAllopathic & Osteopathic Physicians

Internal Medicine
Critical Care Medicine

35073 (AL)
3207RP1001XAllopathic & Osteopathic Physicians

Internal Medicine
Pulmonary Disease

35073 (AL)
4390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Insurance Plans Accepted

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

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00A1356460MEDICAID (05)CA 

Medicare Participation & PECOS Enrollment Status

Mher Onanyan 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.

Mher Onanyan 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: 941517205

    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: I20150918000638

    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

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 (DE001N)

    Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap (HCPCS:A7034)

    4 DME suppliers used 13 Medicare Claims 13 Services Paid

  • DME-Other DME (DE001N)

    Headgear used with positive airway pressure device (HCPCS:A7035)

    4 DME suppliers used 11 Medicare Claims 11 Services Paid

  • DME-Other DME (DE001N)

    Filter, disposable, used with positive airway pressure device (HCPCS:A7038)

    4 DME suppliers used 18 Medicare Claims 122 Services Paid

  • DME-Other DME (DE000N)

    Nebulizer, with compressor (HCPCS:E0570)

    3 DME suppliers used 33 Medicare Claims 33 Services Paid

  • DME-Other DME (DE001N)

    Continuous positive airway pressure (cpap) device (HCPCS:E0601)

    4 DME suppliers used 55 Medicare Claims 55 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)

    4 DME suppliers used 65 Medicare Claims 65 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Portable oxygen concentrator, rental (HCPCS:E1392)

    4 DME suppliers used 65 Medicare Claims 65 Services Paid

  • DME-Other DME (DE000N)

    Pharmacy dispensing fee for inhalation drug(s); per 30 days (HCPCS:Q0513)

    4 DME suppliers used 19 Medicare Claims 19 Services Paid

Drugs Administered Through DME

  • DME-Drugs Administered Through DME (DG006N)

    Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme (HCPCS:J7620)

    2 DME suppliers used 13 Medicare Claims 570 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.

Critical care, first 30-74 minutes

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

This service was performed 53 times for 26 patients

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 26 times for 23 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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.

This service was performed 184 times for 92 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 40 times for 40 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes

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.

This service was performed 126 times for 55 patients

Test to determine lung volumes using sensors

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

This service was performed 30 times for 30 patients

Test to examine how well the lungs exchange gases

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

This service was performed 30 times for 30 patients

Test to measure expiratory airflow and volume

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

This service was performed 20 times for 20 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 29 times for 22 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $35.59 for a new patient copayment and $27.49 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 91345 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $142.39
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $35.59
  • 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 99214

  • Average Established Patient Price $109.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $27.49
  • 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.

Reviews for MHER ONANYAN M.D.

  • 5 out of 5 stars - Review by Larry ***** on November 10, 2025

    I was very impressed with Dr. Onanyan. Very caring and a good listener. He explains well and his staff are all great as well.

  • 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 1861755241, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

    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
    6
    Doubled → 12 → 1 + 2
    Pos 4
    1
    Unchanged
    Pos 5
    7
    Doubled → 14 → 1 + 4
    Pos 6
    5
    Unchanged
    Pos 7
    5
    Doubled → 10 → 1 + 0
    Pos 8
    2
    Unchanged
    Pos 9
    4
    Doubled → 8
    Check
    1
    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 6 → 12 → 3 7 → 14 → 5 5 → 10 → 1 4 → 8

    Step 2: Add all digits plus the NPI constant

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

    2 + 8 + 1 + 2 + 1 + 1 + 4 + 5 + 1 + 0 + 2 + 8 + 24 = 59

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

    The next multiple of ten after 59 is 60. The difference is the calculated check digit.

    60 - 59 = 1
    This NPI is valid
    The calculated check digit is 1, which matches the last digit of 1861755241.

    Other Providers at the Same Location


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

    Family Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Internal Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Pediatrics
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Internal Medicine (Gastroenterology)
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Internal Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Family Medicine (Geriatric Medicine)
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Physical Therapist
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Hospitalist
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Internal Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Internal Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Internal Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Family Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Family Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Optometrist
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Emergency Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Psychiatry & Neurology (Psychiatry)
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Family Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Emergency Medicine
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Pediatrics
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345
    Ophthalmology
    11333 N SEPULVEDA BLVD
    MISSION HILLS, CA 91345

    Frequently Asked Questions

    The NPI number assigned to this healthcare provider is 1861755241, enumerated as an "individual" on June 20, 2012.

    The provider is located at 11333 N SEPULVEDA BLVD MISSION HILLS, CA 91345 and the phone number is (818) 869-7267.

    Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.

    The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.