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

DR. MELISSA ATMADJA KWON M.D.
NPI 1770970055
Internal Medicine in San Francisco, CA

Active since April 23, 2015PECOS EnrolledAccepts Medicare Assignment
1100 VAN NESS AVE # LEVEL4, SAN FRANCISCO, CA 94109(415) 600-0140(415) 369-1362 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 7, 2023, Dec 11, 2019, Feb 25, 2019 and 1 more (4 updates tracked since 2018).

About Dr. Melissa Atmadja Kwon M.d. NPPES

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

DR. MELISSA ATMADJA KWON M.D. (NPI 1770970055) is an individual internal medicine provider in San Francisco, California, licensed in California (A145146) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Albany Medical College Of Union University (2015).

NPPES Registry Identity

NPI1770970055
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MELISSA ATMADJA KWONCredential: M.D.
Location Address1100 VAN NESS AVE # LEVEL4San Francisco, CA 94109-6978
Mailing Address1100 Van Ness Ave # Level4San Francisco, CA 94109-6978 · (415) 600-0140 · Fax (415) 369-1362
Phone(415) 600-0140
Fax(415) 369-1362
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 2015
Enumeration DateApril 23, 2015
Last NPPES UpdateMarch 7, 20234 updates tracked since enumeration
NPPES CertifiedDecember 11, 2019
✔ NPI 1770970055 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 · A145146
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.
1100 VAN NESS AVE # LEVEL4, San Francisco, CA 94109
Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Melissa Lauren Atmadja Md

Secondary Practice Locations 3

Location 11200 N State StLos Angeles, CA 90033 · Phone (323) 226-7556 · Fax (323) 226-2657
Location 234 Mark West Springs Rd Fl 2Santa Rosa, CA 95403-1766 · Phone (707) 541-7900 · Fax (707) 573-5413
Location 31375 Sutter St Ste 308San Francisco, CA 94109 · Phone (415) 600-0140 · Fax (415) 600-0145

Other Identifiers 1

OtherA145146CA · State Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Melissa Atmadja Kwon 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 ID8527311802
PECOS Enrollment IDI20181102002443
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.

Areas of Expertise CMS Part B claims 8

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
344 services170 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
112 services63 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
79 services79 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.
31 services31 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
31 services28 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
24 services24 patients

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.

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 Melissa Kwon's NPI number?

The NPI number for Melissa Kwon is 1770970055. It was assigned to this individual provider in the NPPES registry on April 23, 2015. The provider is also known as Dr. Melissa Lauren Atmadja MD.

Where is Melissa Kwon located?

Melissa Kwon practices at 1100 Van Ness Ave # Level4, San Francisco, CA 94109. The listed phone number is (415) 600-0140.

What is Melissa Kwon's specialty?

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

Is Melissa Kwon enrolled in Medicare?

Yes. Melissa Kwon 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.

When was this NPI record last updated?

The NPPES record for Melissa Kwon was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.