1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Internal Medicine
  6. NPI Profile

DR. CARRIE I-YUN HO M.D.
NPI 1720514821
Internal Medicine - Hematology & Oncology in San Francisco, CA

Active since May 10, 2017PECOS EnrolledAccepts Medicare Assignment
400 PARNASSUS AVE FL 3, SAN FRANCISCO, CA 94143(415) 353-9327 Get Directions Write a Review

NPPES record last updated: November 9, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 9, 2024, Sep 29, 2020, May 10, 2017 (3 updates tracked since 2017).

About Dr. Carrie I-yun Ho M.d. NPPES

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

DR. CARRIE I-YUN HO M.D. (NPI 1720514821) is an individual hematology & oncology provider in San Francisco, California, licensed in California (A196920) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (2017).

NPPES Registry Identity

NPI1720514821
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. CARRIE I-YUN HOCredential: M.D.
Location Address400 PARNASSUS AVE FL 3San Francisco, CA 94143-2202
Mailing Address400 Parnassus Ave Fl 3San Francisco, CA 94143-2202 · (415) 353-9327
Phone(415) 353-9327
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2017
Enumeration DateMay 10, 2017
Last NPPES UpdateNovember 9, 20243 updates tracked since enumeration
NPPES CertifiedNovember 9, 2024
✔ NPI 1720514821 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A196920
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD469255 (PA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
400 PARNASSUS AVE FL 3, San Francisco, CA 94143
Open in Google Maps ↗

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. Carrie I-yun Ho M.d. 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 ID3971922204
PECOS Enrollment IDI20241115002221
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

3

Medicare enrollment records show Carrie Ho reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
Same address
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
Same address
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
Regents Of The University Of California
0.1 mi
Endocrinology, Diabetes & Metabolism
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
NPI 1376613943 (415) 353-2350

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 94143 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
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.

Other Providers at the Same Location NPPES 6

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

JAY SHAH DO, MBA
Orthopaedic Surgery
400 PARNASSUS AVE FL 3
SAN FRANCISCO, CA 94143
San Francisco County (886) 817-7463
MISS CRYSTAL MARIE BRAVATE PA-C
Physician Assistant
400 PARNASSUS AVE FL 3
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-9360
DR. KEVIN HWANG M.D.
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
400 PARNASSUS AVE FL 3
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
EMILY MARION SPILLER CHRISTENSEN PA
Physician Assistant
400 PARNASSUS AVE FL 3
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
ALLISON JEAN BASHAM PA
Physician Assistant
400 PARNASSUS AVE FL 3
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
DR. BRANT PAUL HARRADINE MD
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
400 PARNASSUS AVE FL 3
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2808

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 Carrie Ho's NPI number?

The NPI number for Carrie Ho is 1720514821. It was assigned to this individual provider in the NPPES registry on May 10, 2017.

Where is Carrie Ho located?

Carrie Ho practices at 400 Parnassus Ave Fl 3, San Francisco, CA 94143. The listed phone number is (415) 353-9327.

What is Carrie Ho's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Carrie Ho enrolled in Medicare?

Yes. Carrie Ho 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 organizations bill Medicare for Carrie Ho's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carrie Ho reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Regents Of The University Of California (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 Carrie Ho'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 Carrie Ho was last updated on November 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.