Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHRISTOPHER D. ZOOLKOSKI MD
NPI 1275544892
Family Medicine in San Bernardino, CA

Active since August 10, 2006PECOS EnrolledAccepts Medicare Assignment
1700 N WATERMAN AVE, SAN BERNARDINO, CA 92404(909) 883-8611 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 18, 2026, May 22, 2026, Dec 4, 2025 and 4 more (7 updates tracked since 2018).

About Christopher D. Zoolkoski Md NPPES

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

CHRISTOPHER D. ZOOLKOSKI MD (NPI 1275544892) is an individual family medicine provider in San Bernardino, California, licensed in California (A80628) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Blue Mountain Hospital, and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1275544892
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameCHRISTOPHER D. ZOOLKOSKICredential: MD
Location Address1700 N WATERMAN AVESan Bernardino, CA 92404-5115
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2000
Enumeration DateAugust 10, 2006
Last NPPES UpdateSeptember 18, 20267 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2026
✔ NPI 1275544892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · A80628✔ Licensed in OR · MD23552
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1700 N WATERMAN AVE, San Bernardino, CA 92404

Secondary Practice Locations 6

Location 12801 Daggett AveKlamath Falls, OR 97601-7150 · Phone (541) 274-6733
Location 2914 PINE STREETMOUNT SHASTA, CA 96067-2143 · Phone (530) 926-6111
Location 32821 Daggett Ave Ste 100Klamath Falls, OR 97601-1106 · Phone (541) 274-6733 · Fax (541) 274-2006
Location 4557 W Washington StBurns, OR 97720-1441 · Phone (541) 573-7281
Location 5170 Ford RdJohn Day, OR 97845-2009 · Phone (541) 575-1311
Location 6203 S Western AveTonasket, WA 98855-8803 · Phone (509) 486-2151 · Fax (509) 223-1721

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

Christopher D. Zoolkoski 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 ID648166736
PECOS Enrollment IDI20040226000738, I20200915000912, I20210818002050
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

9

Medicare enrollment records show Christopher Zoolkoski reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1520 BARTON RD
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 29 clinicians in this Medicare group
Family Medicine
2 WEST FERN AVENUE
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 635 clinicians in this Medicare group
Addiction Medicine
14591 NEWPORT AVE
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
General Acute Care Hospital
2865 DAGGETT AVE
Klamath Falls, OR 97601
  • Reassigned Medicare billing, Oregon enrollment
  • 355 clinicians in this Medicare group
Multi-Specialty
271 N EGAN AVE
Burns, OR 97720
  • Reassigned Medicare billing, Oregon enrollment
  • 60 clinicians in this Medicare group
Critical Access
170 FORD RD
John Day, OR 97845
  • Reassigned Medicare billing, Oregon enrollment
  • 32 clinicians in this Medicare group
Critical Access
1200 W FAIRVIEW RD
Colfax, WA 99111
  • Reassigned Medicare billing, Washington enrollment
  • 69 clinicians in this Medicare group
Critical Access
10 NICHOLLS ST
Davenport, WA 99122
  • Reassigned Medicare billing, Washington enrollment
  • 25 clinicians in this Medicare group
Rural Health
118 S WHITCOMB AVE
Tonasket, WA 98855
  • Reassigned Medicare billing, Washington enrollment
  • Also billed through NPI 1164580700 (Washington)
  • 197 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.

Hospital Affiliations CMS Care Compare 5

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

Blue Mountain Hospital

Critical Access Hospitals · John Day, OR
OwnershipGovernment - Hospital District or Authority
CMS Certification Number381305
Location170 Ford RoadJohn Day, OR 97845 · Grant County
Emergency services

Harney District Hospital

Critical Access Hospitals · Burns, OR
OwnershipGovernment - Hospital District or Authority
CMS Certification Number381307
Location557 W Washington StreetBurns, OR 97720 · Harney County
Emergency services

Lincoln Hospital

Critical Access Hospitals · Davenport, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501305
Location10 Nichols StreetDavenport, WA 99122 · Lincoln County
Emergency services

North Valley Hospital

Critical Access Hospitals · Tonasket, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501321
Location203 South WesternTonasket, WA 98855 · Okanogan County
Emergency services

Whitman Hospital And Medical Center

Critical Access Hospitals · Colfax, WA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501327
Location1200 West FairviewColfax, WA 99111 · Whitman County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92404 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 2

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
1 supplier13 claims13 services$17.38 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
1 supplier13 claims13 services$88.06 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.

Internal Medicine
1700 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Pharmacist
1700 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Family Medicine
1700 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Pharmacist
1700 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Family Medicine
1700 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Family Medicine
1700 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Nurse Practitioner (Family)
1700 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Nurse Practitioner (Family)
1700 N WATERMAN AVE
SAN BERNARDINO, CA 92404

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 Christopher Zoolkoski's NPI number?

The NPI number for Christopher Zoolkoski is 1275544892. It was assigned to this individual provider in the NPPES registry on August 10, 2006.

Where is Christopher Zoolkoski located?

Christopher Zoolkoski practices at 1700 N Waterman Ave, San Bernardino, CA 92404. The listed phone number is (909) 883-8611.

What is Christopher Zoolkoski's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Christopher Zoolkoski enrolled in Medicare?

Yes. Christopher Zoolkoski 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 Christopher Zoolkoski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Zoolkoski reassigns Medicare benefits to 9 organizations: Redlands Family Practice Medical Group Inc. (Redlands, CA), Beaver Medical Group P C (Redlands, CA), Healthcare Partners Affiliates Medical Group (Tustin, CA), Sky Lakes Medical Center Inc (Klamath Falls, OR), Harney District Hospital (Burns, OR) and 4 more organizations, listed in the Medicare section above. 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 Christopher Zoolkoski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Zoolkoski accept?

Health plans from BridgeSpan Health Company, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Christopher Zoolkoski 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 Christopher Zoolkoski affiliated with any hospitals?

According to CMS data, Christopher Zoolkoski is affiliated with Blue Mountain Hospital, Harney District Hospital, Lincoln Hospital, North Valley Hospital and Whitman Hospital And Medical Center.

When was this NPI record last updated?

The NPPES record for Christopher Zoolkoski was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.