DR. AVA CARROLL HAYMON MD
NPI 1154492155
Family Medicine - Geriatric Medicine in Federal Way, WA

NPI Status: Active since November 13, 2006

Contact Information

1414 S 324TH ST STE B207
FEDERAL WAY, WA
ZIP 98003
Phone: (253) 220-3121
Fax: (415) 252-7176

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  • Individual
  • Female
  • Years of Experience 27
  • Family Medicine
  • Geriatric Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About AVA HAYMON

This page provides the complete NPI Profile along with additional information for Ava Haymon, a primary care provider established in Federal Way, Washington with a medical specialization in Family Medicine, focusing in geriatric medicine and more than 27 years of experience. She graduated from Tufts University School Of Medicine in 1999. The healthcare provider is registered in the NPI registry with number 1154492155 assigned on November 2006. The practitioner's primary taxonomy code is 207QG0300X with license number MD00041490 (WA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1154492155
Provider Name
DR. AVA CARROLL HAYMON MD
Other Name
DR. A CARROLL HAYMON MD
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
1414 S 324TH ST STE B207 FEDERAL WAY, WA 98003
Location Phone
(253) 220-3121
Location Fax
(415) 252-7176
Mailing Address
1 EMBARCADERO CTR FL 19 SAN FRANCISCO, CA 94111
Mailing Fax
(415) 252-7176
Medical School Name
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
1999
Is Sole Proprietor?
No
Enumeration Date
11-13-2006
Last Update Date
04-07-2026
Code Navigator

A primary care provider (PCP) like Ava Haymon 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

Secondary Locations

  • 1801 NW Market St Ste 403
    Seattle, WA 98107
    (206) 297-5100
  • 1401 Madison St Ste 100
    Seattle, WA 98104
    (206) 386-6111

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

Family Medicine Geriatric Medicine

Taxonomy Code
207QG0300X
Type
Allopathic & Osteopathic Physicians
License No.
MD00041490
License State
WA
Taxonomy Description
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.

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)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

MD00041490 (WA)

Insurance Plans Accepted

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

  • Premera Blue Cross Alaska One Gold - PPO
  • Premera Blue Cross Preferred Bronze 5800 HSA - PPO
  • Premera Blue Cross Preferred Bronze 6350 - PPO
  • Premera Blue Cross Preferred Gold 1500 - PPO
  • Premera Blue Cross Preferred Silver 4500 - PPO
  • Premera Blue Cross Standard Bronze II - PPO
  • Premera Blue Cross Standard Gold - PPO
  • Premera Blue Cross Standard Silver - PPO
  • Premera Blue Cross Family Dental - PPO
  • Premera Blue Cross Pediatric Dental - PPO

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
1043089MEDICAID (05)WA 

Medicare Participation & PECOS Enrollment Status

Ava Haymon 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.

Ava Haymon 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: 244286201

    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: I20050323000842

    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

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $24.35 for a new patient copayment and $27.75 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 98003 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $97.43
  • Minimum New Patient Price $63.67
  • Maximum New Patient Price $189.37
  • Average New Patient Copayment $24.35
  • Minimum New Patient Copayment $15.91
  • Maximum New Patient Copayment $47.34

Established Patients Visit Costs *

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

  • Average Established Patient Price $111
  • Minimum Established Patient Price $21.12
  • Maximum Established Patient Price $155
  • Average Established Patient Copayment $27.75
  • Minimum Established Patient Copayment $5.28
  • Maximum Established Patient Copayment $38.75

* 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 1154492155, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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

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 + 8 + 9 + 4 + 1 + 1 + 0 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1154492155.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Family Medicine
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Internal Medicine
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Internal Medicine
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Internal Medicine (Hospice and Palliative Medicine)
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Nurse Practitioner (Adult Health)
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Nurse Practitioner (Adult Health)
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Nurse Practitioner (Adult Health)
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Nurse Practitioner (Acute Care)
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Internal Medicine
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003
Physician Assistant
1414 S 324TH ST STE B207
FEDERAL WAY, WA 98003

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154492155, enumerated as an "individual" on November 13, 2006.

The provider is located at 1414 S 324TH ST STE B207 FEDERAL WAY, WA 98003 and the phone number is (253) 220-3121.

Family Medicine with taxonomy code 207QG0300X and a focus in Geriatric Medicine.

The provider might be accepting Accepts: Premera Blue Cross Blue Shield of Alaska, Medicare. Please consult your insurance carrier or call the provider to verify.