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KATHERINE MARIE DEEM M.D.
NPI 1265526149
Pathology - Anatomic Pathology & Clinical Pathology in Sacramento, CA

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment
4400 V ST, SACRAMENTO, CA 95817(916) 734-2525 Get Directions Write a Review

NPPES record last updated: December 1, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 1, 2022, Feb 25, 2022 (2 updates tracked since 2022).

About Katherine Marie Deem M.d. NPPES

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

KATHERINE MARIE DEEM M.D. (NPI 1265526149) is an individual anatomic pathology & clinical pathology provider in Sacramento, California, licensed in California (A62724) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1265526149
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameKATHERINE MARIE DEEMCredential: M.D.
Location Address4400 V STSacramento, CA 95817-1445
Mailing Address4400 V StSacramento, CA 95817-1445 · (916) 734-2525
Phone(916) 734-2525
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateOctober 3, 2006
Last NPPES UpdateDecember 1, 20222 updates tracked since enumeration
NPPES CertifiedDecember 1, 2022
✔ NPI 1265526149 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 · A62724
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
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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

Katherine Marie Deem M.d. 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 ID6103993209
PECOS Enrollment IDI20080916000170
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 Reassignment

Medicare enrollment records show Katherine Deem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The Univ Of Ca
0.3 mi
Pediatric Rheumatology
2521 STOCKTON BLVD
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group
NPI 1457344475 (916) 734-3179

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 7

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.

Protein measurement, serum 84165
A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.
1,821 services1,106 patients
Immunologic analysis technique on serum (immunofixation) 86334
Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.
1,086 services587 patients
Cell examination of specimen, concentration technique 88108
Cell examination of a specimen using a concentration technique is a lab process that enhances the detection of cells in a sample. This method helps to focus on key areas of the sample, making it easier to spot abnormalities or changes. It's a crucial part of diagnosing and monitoring certain health conditions.
113 services102 patients
Protein measurement, body fluid 84166
A protein measurement of body fluid is a test that gauges the amount of proteins in your fluids. This analysis helps in detecting various health conditions. It's done via a simple sample collection process, usually from blood or urine, in a safe and painless manner.
93 services86 patients
Crystal identification from tissue or body fluid 89060
Crystal identification from tissue or body fluid is a medical test that helps identify the presence of certain substances in the body. It involves analyzing samples from your body to detect crystals that may indicate health conditions like gout or kidney stones.
55 services52 patients
Immunologic analysis technique on body fluid, other fluids with concentration 86335
Immunologic analysis is a diagnostic method that assesses your body fluids to detect health issues. It involves concentrating these fluids to enhance detection of specific proteins or cells. It helps identify immune system responses, aiding in accurate diagnosis and treatment.
54 services48 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 Katherine Deem's NPI number?

The NPI number for Katherine Deem is 1265526149. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Katherine Deem located?

Katherine Deem practices at 4400 V St, Sacramento, CA 95817. The listed phone number is (916) 734-2525.

What is Katherine Deem's specialty?

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

Is Katherine Deem enrolled in Medicare?

Yes. Katherine Deem 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 organization bills Medicare for Katherine Deem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Deem reassigns Medicare benefits to Regents Of The Univ Of Ca (Sacramento, CA). The 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 Katherine Deem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Deem was last updated on December 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.