DR. PETER CRAIG KOWALSKI MD
NPI 1639107444
Psychiatry & Neurology - Psychiatry in Tucson, AZ

Active since June 29, 2006PECOS EnrolledAccepts Medicare Assignment
2800 E AJO WAY, TUCSON, AZ 85713(520) 871-7500(208) 747-5395 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Peter Craig Kowalski Md NPPES

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

DR. PETER CRAIG KOWALSKI MD (NPI 1639107444) is an individual psychiatry provider in Tucson, Arizona, licensed in Arizona (16966) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Oklahoma College Of Medicine (1983).

NPPES Registry Identity

NPI1639107444
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. PETER CRAIG KOWALSKICredential: MD
Location Address2800 E AJO WAYTucson, AZ 85713-6204
Mailing Address2800 E Ajo WayTucson, AZ 85713-6204 · (520) 874-7500 · Fax (520) 874-7539
Fax(208) 747-5395
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1983
Enumeration DateJune 29, 2006
Last NPPES UpdateJuly 11, 2025
NPPES CertifiedJuly 11, 2025
✔ NPI 1639107444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in AZ · 16966
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 16966 (AZ)
2800 E AJO WAY, Tucson, AZ 85713

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Peter Craig Kowalski Md 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 ID4880839208
PECOS Enrollment IDI20250212003197
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Peter Kowalski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nutrition, Education
535 N WILMOT RD STE 101
Tucson, AZ 85711
  • Reassigned Medicare billing, Arizona enrollment
  • 1,514 clinicians in this Medicare group
Mental Health
2617 GENERAL PERSHING BLVD
Oklahoma City, OK 73107
  • Reassigned Medicare billing, Oklahoma enrollment
  • 40 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

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.
150 services47 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85713 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
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Psychologist (Clinical)
2800 E AJO WAY
TUCSON, AZ 85713
Hospitalist
2800 E AJO WAY, FAMILY AND COMMUNITY MEDICINE AT KINO
TUCSON, AZ 85713
Social Worker (Clinical)
2800 E AJO WAY
TUCSON, AZ 85713
Emergency Medicine
2800 E AJO WAY
TUCSON, AZ 85713
Psychiatry & Neurology (Psychiatry)
2800 E AJO WAY
TUCSON, AZ 85713
Psychiatry & Neurology (Psychiatry)
2800 E AJO WAY
TUCSON, AZ 85713
Psychiatry & Neurology (Addiction Medicine)
2800 E AJO WAY
TUCSON, AZ 85713
Emergency Medicine
2800 E AJO WAY
TUCSON, AZ 85713

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 Peter Kowalski's NPI number?

The NPI number for Peter Kowalski is 1639107444. It was assigned to this individual provider in the NPPES registry on June 29, 2006.

Where is Peter Kowalski located?

Peter Kowalski practices at 2800 E Ajo Way, Tucson, AZ 85713. The listed phone number is (520) 871-7500.

What is Peter Kowalski's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Peter Kowalski enrolled in Medicare?

Yes. Peter Kowalski 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.

Which organizations bill Medicare for Peter Kowalski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Kowalski reassigns Medicare benefits to 2 organizations: Banner-University Medical Group (Tucson, AZ) and North Oklahoma County Mental Health Center (Oklahoma City, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Kowalski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Kowalski accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Oklahoma, Oscar Health Plan, Inc. and UnitedHealthcare list Peter Kowalski 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.

When was this NPI record last updated?

The NPPES record for Peter Kowalski was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.