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DR. VALLI ATCHUTA VUJJENI M.D.
NPI 1427170653
Obstetrics & Gynecology in Fremont, CA

Active since April 06, 2007PECOS Enrolled
80.58/100
CMS Quality Rating
1999 MOWRY AVE STE ABDFN, FREMONT, CA 94538(510) 770-8040(408) 960-1115 Get Directions Write a Review

NPPES record last updated: February 9, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 9, 2023, Dec 6, 2021 (2 updates tracked since 2021).

About Dr. Valli Atchuta Vujjeni M.d. NPPES

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

DR. VALLI ATCHUTA VUJJENI M.D. (NPI 1427170653) is an individual obstetrics & gynecology provider in Fremont, California, licensed in California (A93139) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427170653
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. VALLI ATCHUTA VUJJENICredential: M.D.
Location Address1999 MOWRY AVE STE ABDFNFremont, CA 94538-1738
Mailing Address40910 Fremont BlvdFremont, CA 94538-4375 · (510) 770-8040
Phone(510) 770-8040
Fax(408) 960-1115
Sole ProprietorNo
Enumeration DateApril 6, 2007
Last NPPES UpdateFebruary 9, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2023
✔ NPI 1427170653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A93139
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1999 MOWRY AVE STE ABDFN, Fremont, CA 94538
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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 (PECOS)

Dr. Valli Atchuta Vujjeni M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Valli Vujjeni reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Santa Clara
9.6 mi
Federally Qualified Health Center (FQHC)
143 N MAIN ST
Milpitas, CA 95035
NPI 1285629899 (408) 885-5000
Permanente Medical Group Inc
14 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 94538 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

80.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality67.43
Promoting Interoperability100
Improvement Activities40
Cost46.5

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARJORIE HUANG MSW, PPSC
Social Worker (Clinical)
1999 MOWRY AVE STE ABDFN
FREMONT, CA 94538
Alameda County (510) 770-8040
VIKTORIYA LAMBERT FNP
Nurse Practitioner (Family)
1999 MOWRY AVE STE ABDFN
FREMONT, CA 94538
Alameda County (540) 770-8040
MR. YAROON GEBRESILASSIE KOCHITO FNP
Nurse Practitioner (Family)
1999 MOWRY AVE STE ABDFN
FREMONT, CA 94538
Alameda County (510) 770-8040

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 Valli Vujjeni's NPI number?

The NPI number for Valli Vujjeni is 1427170653. It was assigned to this individual provider in the NPPES registry on April 6, 2007.

Where is Valli Vujjeni located?

Valli Vujjeni practices at 1999 Mowry Ave Ste Abdfn, Fremont, CA 94538. The listed phone number is (510) 770-8040.

What is Valli Vujjeni's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Valli Vujjeni enrolled in Medicare?

Yes. Valli Vujjeni is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Valli Vujjeni's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Valli Vujjeni reassigns Medicare benefits to 2 organizations: County Of Santa Clara (Milpitas, CA) and Permanente Medical Group Inc (Redwood City, CA). 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 Valli Vujjeni'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 Valli Vujjeni was last updated on February 9, 2023. 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.