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MRS. DIANA TATARKHANOVA NP
NPI 1043988231
Nurse Practitioner - Obstetrics & Gynecology in San Carlos, CA

Active since September 01, 2021PECOS EnrolledAccepts Medicare Assignment
84.09/100
CMS Quality Rating
301 INDUSTRIAL RD, SAN CARLOS, CA 94070(650) 596-4240 Get Directions Write a Review

NPPES record last updated: May 24, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 24, 2022, May 19, 2022 (2 updates tracked since 2022).

About Mrs. Diana Tatarkhanova Np NPPES

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

MRS. DIANA TATARKHANOVA NP (NPI 1043988231) is an individual obstetrics & gynecology provider in San Carlos, California, licensed in California (NP95017987) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1043988231
Entity TypeIndividualFemale
Primary Taxonomy363LX0001X
Provider Legal NameMRS. DIANA TATARKHANOVACredential: NP
Location Address301 INDUSTRIAL RDSan Carlos, CA 94070-2603
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 596-4240
Phone(650) 596-4240
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 1, 2021
Last NPPES UpdateMay 24, 20222 updates tracked since enumeration
NPPES CertifiedMay 24, 2022
✔ NPI 1043988231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Obstetrics & GynecologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LX0001X
License✔ Licensed in CA · NP95017987
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 95017987 (CA)
301 INDUSTRIAL RD, San Carlos, CA 94070
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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

Mrs. Diana Tatarkhanova Np 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 ID7315325404
PECOS Enrollment IDI20220601002441
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 Diana Tatarkhanova reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
2.7 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94070 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality87.47
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

REBECCA ASHE MD
Internal Medicine
301 INDUSTRIAL RD
SAN CARLOS, CA 94070
San Mateo County (650) 596-4000
SARAH CHEYETTE MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
301 INDUSTRIAL RD
SAN CARLOS, CA 94070
San Mateo County (650) 596-4000
DR. ANDREA M TOM M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
301 INDUSTRIAL RD
SAN CARLOS, CA 94070
San Mateo County (650) 596-4030
GINELLE SUAREZ MERRILL PTA
Physical Therapy Assistant
301 INDUSTRIAL RD
SAN CARLOS, CA 94070
San Mateo County (650) 321-4121
NAVEEN MAHMOOD MD
Pediatrics
301 INDUSTRIAL RD
SAN CARLOS, CA 94070
San Mateo County (650) 596-4000
DR. LAUREN KUTZSCHER THOMPSON MD, MS
Pediatrics
301 INDUSTRIAL RD
SAN CARLOS, CA 94070
San Mateo County (650) 596-4000
DR. HINA CHAWLA M.D.
Emergency Medicine
301 INDUSTRIAL RD
SAN CARLOS, CA 94070
San Mateo County (650) 596-4100
JILLIAN CHACON RD
Dietitian, Registered (Nutrition, Obesity and Weight Management)
301 INDUSTRIAL RD
SAN CARLOS, CA 94070
San Mateo County (650) 853-2961

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 Diana Tatarkhanova's NPI number?

The NPI number for Diana Tatarkhanova is 1043988231. It was assigned to this individual provider in the NPPES registry on September 1, 2021.

Where is Diana Tatarkhanova located?

Diana Tatarkhanova practices at 301 Industrial Rd, San Carlos, CA 94070. The listed phone number is (650) 596-4240.

What is Diana Tatarkhanova's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.

Is Diana Tatarkhanova enrolled in Medicare?

Yes. Diana Tatarkhanova 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 Diana Tatarkhanova's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Tatarkhanova reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, 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 Diana Tatarkhanova'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 Diana Tatarkhanova was last updated on May 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.