JOHN CASEY HEFFERNAN DO
NPI 1750818019
Internal Medicine in Walla Walla, WA

Active since May 17, 2017PECOS EnrolledAccepts Medicare Assignment
94.95/100
CMS Quality Rating
380 CHASE AVE, WALLA WALLA, WA 99362(509) 897-5836(509) 897-5743 Get Directions Write a Review

NPPES record last updated: September 5, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 5, 2024, Dec 16, 2020, May 17, 2017 (3 updates tracked since 2017).

About John Casey Heffernan Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN CASEY HEFFERNAN DO (NPI 1750818019) is an individual internal medicine provider in Walla Walla, Washington, licensed in Washington (OP61434635) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Providence St Mary Medical Center, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1750818019
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN CASEY HEFFERNANCredential: DO
Location Address380 CHASE AVEWalla Walla, WA 99362-2924
Mailing Address380 Chase AveWalla Walla, WA 99362-2924 · (509) 897-5836 · Fax (509) 897-5743
Fax(509) 897-5743
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 17, 2017
Last NPPES UpdateSeptember 5, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2024
NPI 1750818019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in WA · OP61434635
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
380 CHASE AVE, Walla Walla, WA 99362

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John Casey Heffernan Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426479098
PECOS Enrollment IDI20240205001735
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
840 services12 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
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.
351 services230 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
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.
327 services205 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
141 services141 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
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.
97 services97 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
41 services41 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence St Mary Medical Center

Acute Care Hospitals · Walla Walla, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500002
Location401 W Poplar StWalla Walla, WA 99362 · Walla Walla County
Emergency services Birthing friendly

Prov Sacred Hrt Med Ctr & Childs Hosp.

Acute Care Hospitals · Spokane, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500054
Location101 West 8th AvenueSpokane, WA 99204 · Spokane County
Emergency services Birthing friendly

Kadlec Regional Medical Center

Acute Care Hospitals · Richland, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500058
Location888 Swift BlvdRichland, WA 99352 · Benton County
Emergency services Birthing friendly

Dayton General Hospital

Critical Access Hospitals · Dayton, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501302
Location1012 South 3rd StreetDayton, WA 99328 · Columbia County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99362 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.26
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers12 claims12 services$169.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
380 CHASE AVE
WALLA WALLA, WA 99362
Durable Medical Equipment & Medical Supplies
380 CHASE AVE
WALLA WALLA, WA 99362
Nurse Practitioner (Family)
380 CHASE AVE
WALLA WALLA, WA 99362
Pharmacist
380 CHASE AVE
WALLA WALLA, WA 99362
Physician Assistant (Surgical)
380 CHASE AVE
WALLA WALLA, WA 99362
Surgery
380 CHASE AVE
WALLA WALLA, WA 99362
Physical Therapist (Geriatrics)
380 CHASE AVE
WALLA WALLA, WA 99362
Surgery
380 CHASE AVE
WALLA WALLA, WA 99362

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Heffernan's NPI number?

The NPI number for John Heffernan is 1750818019. It was assigned to this individual provider in the NPPES registry on May 17, 2017.

Where is John Heffernan located?

John Heffernan practices at 380 Chase Ave, Walla Walla, WA 99362. The listed phone number is (509) 897-5836.

What is John Heffernan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is John Heffernan enrolled in Medicare?

Yes. John Heffernan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Heffernan accept?

Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list John Heffernan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Heffernan affiliated with any hospitals?

According to CMS data, John Heffernan is affiliated with Providence St Mary Medical Center, Prov Sacred Hrt Med Ctr & Childs Hosp., Kadlec Regional Medical Center and Dayton General Hospital.

When was this NPI record last updated?

The NPPES record for John Heffernan was last updated on September 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.