OLIVIA MANNIX PA
NPI 1861388951
Physician Assistant - Medical in New York, NY

NPI Status: Active since June 16, 2025

Contact Information

535 W 110TH ST APT 1E
NEW YORK, NY
ZIP 10025
Phone: (212) 280-4740

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  • Individual
  • Female
  • Years of Experience 1
  • Physician Assistant
  • Medical
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About OLIVIA MANNIX

This page provides the complete NPI Profile along with additional information for Olivia Mannix, a primary care provider established in New York, New York with a medical specialization in Physician Assistant, focusing in medical and more than one year of experience. The healthcare provider is registered in the NPI registry with number 1861388951 assigned on June 2025. The practitioner's primary taxonomy code is 363AM0700X with license number 034116 (NY). The provider is registered as an individual and her NPI record was last updated December 2025.

NPI
1861388951
Provider Name
OLIVIA MANNIX PA
Gender
Female
Entity Type
Individual
Location Address
535 W 110TH ST APT 1E NEW YORK, NY 10025
Location Phone
(212) 280-4740
Mailing Address
535 W 110TH ST APT 1E NEW YORK, NY 10025
Mailing Phone
(212) 280-4740
Medical School Name
OTHER
Graduation Year
2025
Is Sole Proprietor?
Yes
Enumeration Date
06-16-2025
Last Update Date
12-26-2025
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A primary care provider (PCP) like Olivia Mannix sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
034116
License State
NY

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)
1363A00000XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant

034116 (NY)

Medicare Participation & PECOS Enrollment Status

Olivia Mannix 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.

Olivia Mannix 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: 3375048168

    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: I20250923003831, I20251021003840

    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

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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 1861388951, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 3 → 6 8 → 16 → 7 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 + 1 + 2 + 1 + 6 + 8 + 1 + 6 + 9 + 1 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1861388951.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Internal Medicine
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Physician Assistant (Medical)
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Internal Medicine
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Nurse Practitioner (Women's Health)
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Nurse Practitioner (Women's Health)
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Nurse Practitioner (Family)
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Family Medicine
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Physician Assistant (Medical)
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Physician Assistant
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Family Medicine
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Internal Medicine
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Physician Assistant
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Physician Assistant
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Family Medicine
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Family Medicine
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Psychiatry & Neurology (Psychiatry)
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Physician Assistant
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Psychiatry & Neurology (Psychiatry)
535 W 110TH ST APT 1E
NEW YORK, NY 10025
Family Medicine
535 W 110TH ST APT 1E
NEW YORK, NY 10025

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861388951, enumerated as an "individual" on June 16, 2025.

The provider is located at 535 W 110TH ST APT 1E NEW YORK, NY 10025 and the phone number is (212) 280-4740.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.