1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Pathology
  6. NPI Profile

DR. ANTHONY NICHOLAS KARNEZIS MD, PHD
NPI 1841566221
Pathology - Anatomic Pathology & Clinical Pathology in Sacramento, CA

Active since March 29, 2012PECOS EnrolledAccepts Medicare Assignment
4400 V ST, SACRAMENTO, CA 95817(916) 734-2651 Get Directions Write a Review

NPPES record last updated: May 19, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2020, Jul 6, 2018 (2 updates tracked since 2018).

About Dr. Anthony Nicholas Karnezis Md, Phd NPPES

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

DR. ANTHONY NICHOLAS KARNEZIS MD, PHD (NPI 1841566221) is an individual anatomic pathology & clinical pathology provider in Sacramento, California, licensed in California (A121240) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Northwestern University Feinberg Medical School (2002).

NPPES Registry Identity

NPI1841566221
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. ANTHONY NICHOLAS KARNEZISCredential: MD, PHD
Location Address4400 V STSacramento, CA 95817
Mailing Address4400 V StSacramento, CA 95817-1445
Phone(916) 734-2651
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2002
Enumeration DateMarch 29, 2012
Last NPPES UpdateMay 19, 20202 updates tracked since enumeration
NPPES CertifiedMay 19, 2020
✔ NPI 1841566221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · A121240
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
4400 V ST, Sacramento, CA 95817
Open in Google Maps ↗

Secondary Practice Location 1

Location 1505 Parnassus Ave, Rm M580, Box 0102San Francisco, CA 94143-0102 · Phone (415) 353-1613

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

Dr. Anthony Nicholas Karnezis Md, Phd 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 ID8123373388
PECOS Enrollment IDI20180612003065
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 8

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.

Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
360 services68 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
212 services137 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
130 services88 patients
Pathology examination of specimen during surgery, first tissue block 88331
A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.
116 services43 patients
Microscopic genetic analysis of tumor, manual 88360
Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.
98 services49 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
83 services49 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

GRACE FORTES MONIS MD, PHD
Pathology (Blood Banking & Transfusion Medicine)
4400 V ST, UC DAVIS MEDICAL CENTER, PATHOLOGY
SACRAMENTO, CA 95817
Sacramento County (916) 734-7347
CHRISTINE YEE M.D.
Specialist
4400 V ST, PATH BUILDING
SACRAMENTO, CA 95817
Sacramento County (916) 734-2525
DR. MALATHY KAPALI MD
Specialist
4400 V ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-2525
DR. RUSSELL WALLACE NORDQUIST MD
Student in an Organized Health Care Education/Training Program
4400 V ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-2525
KRISTIN ALEXIS OLSON MD
Pathology (Anatomic Pathology & Clinical Pathology)
4400 V ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-3141
DR. DONGGUANG WEI
Pathology (Anatomic Pathology)
4400 V ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-2525
DR. YASI SAFFARI M.D
Pathology (Anatomic Pathology & Clinical Pathology)
4400 V ST, PATH BUILDING
SACRAMENTO, CA 95817
Sacramento County (916) 734-3331
JOHN RODRIGO
Student in an Organized Health Care Education/Training Program
4400 V ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-2525

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 Anthony Karnezis's NPI number?

The NPI number for Anthony Karnezis is 1841566221. It was assigned to this individual provider in the NPPES registry on March 29, 2012.

Where is Anthony Karnezis located?

Anthony Karnezis practices at 4400 V St, Sacramento, CA 95817. The listed phone number is (916) 734-2651.

What is Anthony Karnezis's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Anthony Karnezis enrolled in Medicare?

Yes. Anthony Karnezis 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.

When was this NPI record last updated?

The NPPES record for Anthony Karnezis was last updated on May 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.