Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SAI DEEPIKA CHALLAPALLI MD
NPI 1558852772
Otolaryngology in San Francisco, CA

Q: What is Sai Challapalli's NPI number?

The NPI number for Sai Challapalli is 1558852772. It was assigned to this individual provider in the NPPES registry on May 23, 2018.

Q: What is Sai Challapalli's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Sai Challapalli was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.

Active since May 23, 2018PECOS Enrolled

450 SUTTER ST RM 933, SAN FRANCISCO, CA 94108(415) 362-5443 Get Directions Write a Review

NPPES record last updated: November 3, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 3, 2026, Apr 25, 2024, Apr 10, 2024 and 2 more (5 updates tracked since 2018).

On this page

About Dr. Sai Deepika Challapalli Md NPPES

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

DR. SAI DEEPIKA CHALLAPALLI MD (NPI 1558852772) is an individual otolaryngology provider in San Francisco, California, licensed in California (198407) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (2018).

NPPES Registry Identity

NPI1558852772

Entity TypeIndividualFemale

Primary Taxonomy207Y00000X

Provider Legal NameDR. SAI DEEPIKA CHALLAPALLICredential: MD

Location Address450 SUTTER ST RM 933San Francisco, CA 94108-3997

Mailing Address450 Sutter St Rm 933San Francisco, CA 94108-3997 · (415) 362-5443

Phone(415) 362-5443

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 2018

Enumeration DateMay 23, 2018

Last NPPES UpdateNovember 3, 20265 updates tracked since enumeration

NPPES CertifiedNovember 3, 2026

✔ NPI 1558852772 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in CA · 198407

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

450 SUTTER ST RM 933, San Francisco, CA 94108

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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

Dr. Sai Deepika Challapalli Md 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 ID9739540840

PECOS Enrollment IDI20241008002378

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 Sai Challapalli reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California - Ucsf

3.4 mi

Multi-Specialty

505 PARNASSUS AVE
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
82 clinicians in this Medicare group

NPI 1265890263 (415) 476-1000

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.

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

123 services123 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

31 services31 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

29 services29 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

27 services26 patients

Diagnostic exam of nasal passages using an endoscope 31231

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

23 services21 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94108 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 15

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

STEVEN BARRY MACHTINGER MD

Pediatrics (Pediatric Allergy/Immunology)

450 SUTTER ST RM 933
SAN FRANCISCO, CA 94108

San Francisco County (415) 362-5443

DR. BRIAN EDWARD SCHINDLER MD

Otolaryngology

450 SUTTER ST RM 933
SAN FRANCISCO, CA 94108

San Francisco County (415) 362-5443

MS. KRISTEN LEE BOND CCC-SLP

Speech-Language Pathologist

450 SUTTER ST RM 933
SAN FRANCISCO, CA 94108

San Francisco County (415) 839-8639

HANNAH ROSE TOROK AUD, CCC-A

Audiologist

450 SUTTER ST RM 933
SAN FRANCISCO, CA 94108

San Francisco County (415) 362-5443

DR. JACOB JOHNSON MD

Otolaryngology

450 SUTTER ST RM 933, STE 933
SAN FRANCISCO, CA 94108

San Francisco County (415) 362-5443

DR. DAVID NORMAN SCHINDLER MD

Otolaryngology

450 SUTTER ST RM 933, STE 933
SAN FRANCISCO, CA 94108

San Francisco County (415) 362-5443

MR. AASIF ABDULQADER KAZI M.D.

Otolaryngology

450 SUTTER ST RM 933
SAN FRANCISCO, CA 94108

San Francisco County (415) 362-5443

JOSEPH CARLTON HITCHCOCK SLP

Speech-Language Pathologist

450 SUTTER ST RM 933
SAN FRANCISCO, CA 94108

San Francisco County (415) 362-5443

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 Sai Challapalli's NPI number?

The NPI number for Sai Challapalli is 1558852772. It was assigned to this individual provider in the NPPES registry on May 23, 2018.

Where is Sai Challapalli located?

Sai Challapalli practices at 450 Sutter St Rm 933, San Francisco, CA 94108. The listed phone number is (415) 362-5443.

What is Sai Challapalli's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Sai Challapalli enrolled in Medicare?

Yes. Sai Challapalli 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 Sai Challapalli's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sai Challapalli reassigns Medicare benefits to Regents Of The University Of California - Ucsf (San Francisco, 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 Sai Challapalli'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 Sai Challapalli was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.