HALUK TEZCAN MD
NPI 1487684148
Internal Medicine - Medical Oncology in Stanford, CA

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: April 17, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 17, 2024, Jul 27, 2022, Jul 19, 2022 (3 updates tracked since 2022).

About Haluk Tezcan Md NPPES

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

HALUK TEZCAN MD (NPI 1487684148) is an individual medical oncology provider in Stanford, California, licensed in California (C55373) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Great Plains Health, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1487684148
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameHALUK TEZCANCredential: MD
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorYes
Medical School CMSOtherGraduated 1986
Enumeration DateJuly 5, 2006
Last NPPES UpdateApril 17, 20243 updates tracked since enumeration
NPPES CertifiedApril 17, 2024
✔ NPI 1487684148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Licenses✔ Licensed in CA · C55373✔ Licensed in OR · MD197149
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License C55373 (CA)
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License C55373 (CA), M6841 (ID)
300 PASTEUR DR, Stanford, CA 94305

Secondary Practice Locations 3

Location 1501 NW Elks Dr Ste 100Corvallis, OR 97330-3757 · Phone (541) 768-4950
Location 2301 Penobscot DrRedwood City, CA 94063-4700 · Phone (530) 863-7922
Location 3PO Box 1189Corvallis, OR 97339-1189 · Phone (999) 999-9999

Other Identifiers 1

Medicaid804078600ID

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

Haluk Tezcan 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 ID9830091354
PECOS Enrollment IDI20141120001652, I20190322001435, I20200219002247
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

7

Medicare enrollment records show Haluk Tezcan reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
Medical Microbiology
3146 TUPPER HALL
Davis, CA 95616
  • Reassigned Medicare billing, California enrollment
  • 2,570 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
Family Medicine
1700 GEARY ST SE STE 400
Albany, OR 97322
  • Reassigned Medicare billing, Oregon enrollment
  • 432 clinicians in this Medicare group
Internal Medicine
3730 PLAZA WAY
Kennewick, WA 99338
  • Reassigned Medicare billing, Washington enrollment
  • 159 clinicians in this Medicare group
Medical Oncology
601 W LEOTA ST
North Platte, NE 69101
  • Reassigned Medicare billing, Nebraska enrollment
  • 365 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 3

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.
25 services24 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
16 services16 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.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Great Plains Health

Acute Care Hospitals · North Platte, NE
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number280065
Location601 West Leota StNorth Platte, NE 69101 · Lincoln County
Emergency services Birthing friendly

Sky Lakes Medical Center

Acute Care Hospitals · Klamath Falls, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380050
Location2865 Daggett AvenueKlamath Falls, OR 97601 · Klamath County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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
$206.04 typical visit price
range $70.37 – $206.04
Typical copayment $51.51 (range $17.59 – $51.51)
Most-billed visit code 99205
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

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 (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Haluk Tezcan's NPI number?

The NPI number for Haluk Tezcan is 1487684148. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Haluk Tezcan located?

Haluk Tezcan practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Haluk Tezcan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Haluk Tezcan enrolled in Medicare?

Yes. Haluk Tezcan 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 Haluk Tezcan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Haluk Tezcan reassigns Medicare benefits to 7 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Regents Of The Univ Of Ca (Davis, CA), Sky Lakes Medical Center Inc (Klamath Falls, OR), Albany General Hospital (Albany, OR) and 2 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 Haluk Tezcan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Haluk Tezcan accept?

Health plans from Blue Cross and Blue Shield of Nebraska, BridgeSpan Health Company, Moda Health Plan, Inc., Oscar Insurance Company and PacificSource Health Plans and 3 other insurers list Haluk Tezcan 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 Haluk Tezcan affiliated with any hospitals?

According to CMS data, Haluk Tezcan is affiliated with Great Plains Health and Sky Lakes Medical Center.

When was this NPI record last updated?

The NPPES record for Haluk Tezcan was last updated on April 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.