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YOHANNA KHACHIYAN MD
NPI 1215639356
Internal Medicine in San Francisco, CA

Active since March 21, 2023PECOS EnrolledAccepts Medicare Assignment
1101 VAN NESS AVE # 1120, SAN FRANCISCO, CA 94109(415) 600-3954 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Yohanna Khachiyan Md NPPES

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

YOHANNA KHACHIYAN MD (NPI 1215639356) is an individual internal medicine provider in San Francisco, California, licensed in California (A208914) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1215639356
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameYOHANNA KHACHIYANCredential: MD
Location Address1101 VAN NESS AVE # 1120San Francisco, CA 94109-6919
Mailing Address1101 Van Ness Ave # 1120San Francisco, CA 94109-6919
Phone(415) 600-3954
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 21, 2023
Last NPPES UpdateJune 15, 2026
NPPES CertifiedJune 15, 2026
✔ NPI 1215639356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A208914
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1101 VAN NESS AVE # 1120, San Francisco, CA 94109
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Secondary Practice Location 1

Location 12100 Webster St Ste 516San Francisco, CA 94115-2381 · Phone (916) 838-4694

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

Yohanna Khachiyan 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 ID648743914
PECOS Enrollment IDI20260627000009
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 Yohanna Khachiyan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pacific Inpatient Medical Group
Same address
Internal Medicine
1101 VAN NESS AVE
San Francisco, CA 94109
  • Reassigned Medicare billing, California enrollment
  • 213 clinicians in this Medicare group
NPI 1447447248 (415) 531-9047
Sutter Bay Medical Foundation
15 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

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 94109 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
$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 20

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

TANNER FREDIANI MD
Student in an Organized Health Care Education/Training Program
1101 VAN NESS AVE # 1120
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3954
SAMANTHA JOSEPH
Student in an Organized Health Care Education/Training Program
1101 VAN NESS AVE # 1120
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3954
ANNA THIEMANN
Student in an Organized Health Care Education/Training Program
1101 VAN NESS AVE # 1120
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3954
MARIAM SADAT HOSSEINI GOHAR MD
Student in an Organized Health Care Education/Training Program
1101 VAN NESS AVE # 1120
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3954
LUCA BREMNER
Student in an Organized Health Care Education/Training Program
1101 VAN NESS AVE # 1120
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3954
MARK OET MD
Student in an Organized Health Care Education/Training Program
1101 VAN NESS AVE # 1120
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3954
MARANATHA TEFERI
Student in an Organized Health Care Education/Training Program
1101 VAN NESS AVE # 1120
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6000
CHRISTOPHER DOMANSKI
Student in an Organized Health Care Education/Training Program
1101 VAN NESS AVE # 1120
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3954

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 Yohanna Khachiyan's NPI number?

The NPI number for Yohanna Khachiyan is 1215639356. It was assigned to this individual provider in the NPPES registry on March 21, 2023.

Where is Yohanna Khachiyan located?

Yohanna Khachiyan practices at 1101 Van Ness Ave # 1120, San Francisco, CA 94109. The listed phone number is (415) 600-3954.

What is Yohanna Khachiyan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Yohanna Khachiyan enrolled in Medicare?

Yes. Yohanna Khachiyan 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 Yohanna Khachiyan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yohanna Khachiyan reassigns Medicare benefits to 2 organizations: Pacific Inpatient Medical Group (San Francisco, CA) and Sutter Bay Medical Foundation (Orinda, 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 Yohanna Khachiyan'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 Yohanna Khachiyan was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.