GAYATHRI TUMMALA
NPI 1366023277
Ophthalmology in Oakland, CA

Active since April 21, 2021PECOS EnrolledAccepts Medicare Assignment
3772 HOWE ST, OAKLAND, CA 94611(609) 647-5745 Get Directions Write a Review

NPPES record last updated: October 2, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gayathri Tummala NPPES

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

GAYATHRI TUMMALA (NPI 1366023277) is an individual ophthalmology provider in Oakland, California, licensed in California (A204124) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Geisel School Of Medicine At Dartmouth (2021).

NPPES Registry Identity

NPI1366023277
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameGAYATHRI TUMMALA
Location Address3772 HOWE STOakland, CA 94611-5300
Mailing Address185 Channel St Apt 401San Francisco, CA 94158-1719 · (609) 647-5745
Sole ProprietorNo
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 2021
Enumeration DateApril 21, 2021
Last NPPES UpdateOctober 2, 2025
NPPES CertifiedOctober 2, 2025
✔ NPI 1366023277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · A204124
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
3772 HOWE ST, Oakland, CA 94611

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

Gayathri Tummala 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 ID1254730005
PECOS Enrollment IDI20251016003529
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 Gayathri Tummala reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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 94611 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.

Other Providers at the Same Location NPPES 14

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

Ophthalmology
3772 HOWE ST
OAKLAND, CA 94611
Optometrist
3772 HOWE ST
OAKLAND, CA 94611
Acupuncturist
3772 HOWE ST
OAKLAND, CA 94611
Podiatrist (Foot & Ankle Surgery)
3772 HOWE ST, HOWE ST. BUILDING, GROUND FLOOR, PODIATRY DEPARTMENT
OAKLAND, CA 94611
Optometrist
3772 HOWE ST
OAKLAND, CA 94611
Family Medicine
3772 HOWE ST
OAKLAND, CA 94611
Ophthalmology
3772 HOWE ST
OAKLAND, CA 94611
Optometrist
3772 HOWE ST
OAKLAND, CA 94611

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 Gayathri Tummala's NPI number?

The NPI number for Gayathri Tummala is 1366023277. It was assigned to this individual provider in the NPPES registry on April 21, 2021.

Where is Gayathri Tummala located?

Gayathri Tummala practices at 3772 Howe St, Oakland, CA 94611. The listed phone number is (609) 647-5745.

What is Gayathri Tummala's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Gayathri Tummala enrolled in Medicare?

Yes. Gayathri Tummala 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 Gayathri Tummala's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gayathri Tummala reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Gayathri Tummala'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 Gayathri Tummala was last updated on October 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.