CHAITHRA B NAGAR MD
NPI 1073589222
Emergency Medicine in Sausalito, CA

Active since February 27, 2006PECOS Enrolled
3 HARBOR DRIVE, SUITE 111, SAUSALITO, CA 94965(415) 683-2988(415) 683-2980 Get Directions Write a Review

NPPES record last updated: February 1, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Chaithra B Nagar Md NPPES

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

CHAITHRA B NAGAR MD (NPI 1073589222) is an individual emergency medicine provider in Sausalito, California, licensed in California (A88752) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073589222
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameCHAITHRA B NAGARCredential: MD
Location Address3 HARBOR DRIVE, SUITE 111Sausalito, CA 94965
Mailing Address3 Harbor Drive, Suite 111Sausalito, CA 94965 · (415) 683-2988 · Fax (415) 683-2980
Fax(415) 683-2980
Sole ProprietorNo
Enumeration DateFebruary 27, 2006
Last NPPES UpdateFebruary 1, 2011
✔ NPI 1073589222 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A88752
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3 HARBOR DRIVE, Sausalito, CA 94965

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chaithra B Nagar Md 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

4

Medicare enrollment records show Chaithra Nagar reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Primary Care
729 FILBERT ST
San Francisco, CA 94133
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83 RM 320
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 842 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 94965 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
$104.67 typical visit price
range $69.07 – $202.63
Typical copayment $26.16 (range $17.26 – $50.65)
Most-billed visit code 99203
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
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 3

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

General Practice
3 HARBOR DRIVE, SUITE 111
SAUSALITO, CA 94965
Family Medicine
3 HARBOR DRIVE, SUITE 111
SAUSALITO, CA 94965
Internal Medicine
3 HARBOR DRIVE, SUITE 111
SAUSALITO, CA 94965

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 Chaithra Nagar's NPI number?

The NPI number for Chaithra Nagar is 1073589222. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Chaithra Nagar located?

Chaithra Nagar practices at 3 Harbor Drive Suite 111, Sausalito, CA 94965. The listed phone number is (415) 683-2988.

What is Chaithra Nagar's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Chaithra Nagar enrolled in Medicare?

Yes. Chaithra Nagar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chaithra Nagar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chaithra Nagar reassigns Medicare benefits to 4 organizations: City & County Of San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, 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 Chaithra Nagar'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 Chaithra Nagar was last updated on February 1, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.