JAMES BRAD DIESTELHORST M.D.
NPI 1336148766
Internal Medicine - Pulmonary Disease in Bellingham, WA

Q: What is James Diestelhorst's NPI number?

The NPI number for James Diestelhorst is 1336148766. It was assigned to this individual provider in the NPPES registry on July 18, 2005.

Q: What is James Diestelhorst's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since July 18, 2005PECOS EnrolledAccepts Medicare Assignment

4545 CORDATA PKWY, BELLINGHAM, WA 98226(360) 738-2200(360) 752-5687 Get Directions Write a Review

NPPES record last updated: September 22, 2010. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About James Brad Diestelhorst M.d. NPPES

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

JAMES BRAD DIESTELHORST M.D. (NPI 1336148766) is an individual pulmonary disease provider in Bellingham, Washington, licensed in Washington (MD00041071) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and is a graduate of University Of Missouri, Columbia School Of Medicine (1996).

NPPES Registry Identity

NPI1336148766

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameJAMES BRAD DIESTELHORSTCredential: M.D.

Location Address4545 CORDATA PKWYBellingham, WA 98226-7123

Mailing AddressPo Box 5096Bellingham, WA 98227-5096 · (360) 738-2200 · Fax (360) 752-5687

Phone(360) 738-2200

Fax(360) 752-5687

Sole ProprietorNo

Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 1996

Enumeration DateJuly 18, 2005

Last NPPES UpdateSeptember 22, 2010

✔ NPI 1336148766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in WA · MD00041071

Definition

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.

4545 CORDATA PKWY, Bellingham, WA 98226

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Other Identifiers 8

Other0230369WA · L&i/crime Victims

Medicaid1336148766WA

Medicare UPINH61573WA

Medicare PING8872999WA

Other4912DIWA · Regence

Other0230369WA · L&i And Crime Victims

Other7704353WA · Aetna

OtherMD4918WAK · Alaska Medicaid

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

James Brad Diestelhorst M.d. 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 ID547208092

PECOS Enrollment IDI20050425000543

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 17

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.

Test to examine how well the lungs exchange gases 94729

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.

350 services195 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.

276 services185 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

194 services105 patients

Test to determine lung volumes using sensors 94726

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.

158 services86 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

111 services69 patients

Test to measure oxygen level in blood using ear or finger device continuously overnight 94762

This procedure involves using a small device, placed on your ear or finger, to continuously monitor your blood oxygen level overnight. It's painless, non-invasive, and helps assess your body's oxygen supply during sleep.

90 services90 patients

Test to measure expiratory airflow and volume 94010

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.

73 services42 patients

Blood count, hemoglobin 85018

A blood count, specifically hemoglobin, is a standard test that measures the amount of hemoglobin in your blood. Hemoglobin is a protein in red blood cells that carries oxygen throughout your body. This test helps assess your overall health and detect a variety of disorders such as anemia or polycythemia.

50 services50 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.

47 services47 patients

Critical care, first 30-74 minutes 99291

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.

37 services27 patients

Test to examine how well the lungs exchange gases 94729

35 services33 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.

35 services32 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

24 services24 patients

Test to determine lung volumes using sensors 94726

23 services23 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

19 services16 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

14 services14 patients

Test to measure oxygen level in blood using ear or finger device multiple times 94761

This procedure involves a small device, called a pulse oximeter, which is placed on your finger or ear. It uses light to measure the oxygen in your blood. The test is painless and will be conducted multiple times to ensure accuracy.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

St Joseph Hospital

Acute Care Hospitals · Bellingham, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number500030

Location2901 Squalicum ParkwayBellingham, WA 98225 · Whatcom County

Emergency services Birthing friendly

Peacehealth United General Medical Center

Critical Access Hospitals · Sedro Woolley, WA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number501329

Location2000 Hospital DriveSedro Woolley, WA 98284 · Skagit County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98226 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.

Referred Medical Equipment & Supplies CMS DME claims 7

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers28 claims28 services$15.58 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

1 supplier11 claims11 services$44.77 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers25 claims26 services$5.58 avg. paid by Medicare

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

DME-Oxygen and Supplies · category DC002N

6 suppliers77 claims77 services$77.60 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers28 claims28 services$29.87 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

3 suppliers20 claims1,080 services$0.82 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.

MELANIE R HARTLEY ARNP

Nurse Practitioner (Pediatrics, Critical Care)

4545 CORDATA PKWY, SUITE 1E
BELLINGHAM, WA 98226

Whatcom County (360) 738-2200

LESLIE HOUCK M.D.

Obstetrics & Gynecology (Gynecology)

4545 CORDATA PKWY
BELLINGHAM, WA 98226

Whatcom County (360) 738-2200

MADRONA MEDICAL GROUP,PS

Clinic/Center (Radiology)

4545 CORDATA PKWY
BELLINGHAM, WA 98226

Whatcom County (360) 738-2200

JOAN MARY CERVISI ARNP

Nurse Practitioner (Pediatrics)

4545 CORDATA PKWY
BELLINGHAM, WA 98226

Whatcom County (360) 738-2200

DR. SUKHJIT SINGH SHERGILL

Internal Medicine

4545 CORDATA PKWY, SUITE 2B
BELLINGHAM, WA 98226

Whatcom County (360) 738-2200

DIANA GUZA-WELLS M.D.

Internal Medicine

4545 CORDATA PKWY
BELLINGHAM, WA 98226

Whatcom County (360) 738-2200

RADU IVAN ARNP

Nurse Practitioner (Adult Health)

4545 CORDATA PKWY, SUITE 2A & 2B
BELLINGHAM, WA 98226

Whatcom County (360) 738-2200

DIANNE C. FOSTER ARNP

Nurse Practitioner (Obstetrics & Gynecology)

4545 CORDATA PKWY
BELLINGHAM, WA 98226

Whatcom County (360) 738-2200

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 James Diestelhorst's NPI number?

The NPI number for James Diestelhorst is 1336148766. It was assigned to this individual provider in the NPPES registry on July 18, 2005.

Where is James Diestelhorst located?

James Diestelhorst practices at 4545 Cordata Pkwy, Bellingham, WA 98226. The listed phone number is (360) 738-2200.

What is James Diestelhorst's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is James Diestelhorst enrolled in Medicare?

Yes. James Diestelhorst 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 James Diestelhorst accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list James Diestelhorst 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 James Diestelhorst affiliated with any hospitals?

According to CMS data, James Diestelhorst is affiliated with St Joseph Hospital and Peacehealth United General Medical Center.

When was this NPI record last updated?

The NPPES record for James Diestelhorst was last updated on September 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.