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PROF. NAZIM SERDAR TURHAL MD
NPI 1982378766
Internal Medicine - Medical Oncology in Istanbul, TURKEY

Active since August 04, 2021PECOS EnrolledAccepts Medicare Assignment
HALUK TEZONAR SK 2/6/3, CIFTEHAVUZLAR KADIKOY, ISTANBUL, TURKEY 34728(533) 773-2064(216) 358-0238 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 11, 2026, Dec 4, 2025, Aug 4, 2021 (3 updates tracked since 2021).

About Prof. Nazim Serdar Turhal Md NPPES

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

PROF. NAZIM SERDAR TURHAL MD (NPI 1982378766) is an individual medical oncology provider in Istanbul, TURKEY, licensed in Wisconsin (86810) and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS, is affiliated with Samaritan Medical Center, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1982378766
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NamePROF. NAZIM SERDAR TURHALCredential: MD
Location AddressHALUK TEZONAR SK 2/6/3, CIFTEHAVUZLAR KADIKOYIstanbul, TURKEY 34728
Mailing AddressPlaj Yolu 30/19, Kadikoy, KadikoyKadikoy, ISTANBUL 34728
Phone(533) 773-2064
Fax(216) 358-0238
Sole ProprietorYes
Medical School CMSOtherGraduated 1988
Enumeration DateAugust 4, 2021
Last NPPES UpdateMay 11, 20263 updates tracked since enumeration
NPPES CertifiedMay 11, 2026
✔ NPI 1982378766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Licenses✔ Licensed in WI · 86810✔ Licensed in NY · 192309
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.
HALUK TEZONAR SK 2/6/3, Istanbul, TURKEY 34728
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Prof. Nazim Serdar Turhal 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 ID5395100531
PECOS Enrollment IDI20230424000644, I20251216000326
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 2

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.
198 services161 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.
11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Samaritan Medical Center

Acute Care Hospitals · Watertown, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330157
Location830 Washington StreetWatertown, NY 13601 · Jefferson County
Emergency services Birthing friendly

Lewis County General Hospital

Critical Access Hospitals · Lowville, NY
OwnershipGovernment - Local
CMS Certification Number331317
Location7785 North State StreetLowville, NY 13367 · Lewis County
Emergency services

Marshfield Medical Center - Minocqua

Acute Care Hospitals · Minocqua, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520212
Location9576 Highway 70Minocqua, WI 54548 · Oneida County
Emergency services Birthing friendly

Flambeau Hospital

Critical Access Hospitals · Park Falls, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521325
Location98 Sherry AvePark Falls, WI 54552 · Price County
Emergency services

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 Nazim Turhal's NPI number?

The NPI number for Nazim Turhal is 1982378766. It was assigned to this individual provider in the NPPES registry on August 4, 2021.

Where is Nazim Turhal located?

Nazim Turhal practices at Haluk Tezonar Sk 2/6/3 Ciftehavuzlar Kadikoy, Istanbul, TURKEY 34728. The listed phone number is (533) 773-2064.

What is Nazim Turhal's specialty?

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

Is Nazim Turhal enrolled in Medicare?

Yes. Nazim Turhal 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.

Is Nazim Turhal affiliated with any hospitals?

According to CMS data, Nazim Turhal is affiliated with Samaritan Medical Center, Lewis County General Hospital, Marshfield Medical Center - Minocqua and Flambeau Hospital.

When was this NPI record last updated?

The NPPES record for Nazim Turhal was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.