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MELISSA DUNCANSON MD
NPI 1144753443
Obstetrics & Gynecology in San Mateo, CA

Active since April 04, 2017PECOS EnrolledAccepts Medicare Assignment
136 N SAN MATEO DR STE 101, SAN MATEO, CA 94401(650) 344-1114 Get Directions Write a Review

NPPES record last updated: July 14, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Melissa Duncanson Md NPPES

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

MELISSA DUNCANSON MD (NPI 1144753443) is an individual obstetrics & gynecology provider in San Mateo, California, licensed in California (A171823) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Washington, and is a graduate of University Of Utah School Of Medicine (2017).

NPPES Registry Identity

NPI1144753443
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMELISSA DUNCANSONCredential: MD
Location Address136 N SAN MATEO DR STE 101San Mateo, CA 94401-2779
Mailing Address136 N San Mateo Dr Ste 101San Mateo, CA 94401-2779 · (650) 344-1114
Phone(650) 344-1114
Sole ProprietorYes
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2017
Enumeration DateApril 4, 2017
Last NPPES UpdateJuly 14, 2021
NPPES CertifiedJuly 14, 2021
✔ NPI 1144753443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A171823
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
136 N SAN MATEO DR STE 101, San Mateo, CA 94401
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Secondary Practice Location 1

Location 1110 Irving St NW, Department of OBGYNWashington, DC 20010-3017 · Phone (202) 877-8035 · Fax (202) 877-5435

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

Melissa Duncanson 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 ID42613440
PECOS Enrollment IDI20210722002511
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 2

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 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.
28 services23 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94401 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 4

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

ALEXANDRA ELIZABETH FLESSEL MD
Obstetrics & Gynecology
136 N SAN MATEO DR STE 101
SAN MATEO, CA 94401
San Mateo County (650) 344-1114
HENRY H HAMILTON M.D.
Obstetrics & Gynecology
136 N SAN MATEO DR STE 101
SAN MATEO, CA 94401
San Mateo County (650) 375-1800
MELISSA DUNCANSON MD INC
Obstetrics & Gynecology
136 N SAN MATEO DR STE 101
SAN MATEO, CA 94401
San Mateo County (650) 344-1114
SANDRA BERETTA MD
Obstetrics & Gynecology
136 N SAN MATEO DR STE 101
SAN MATEO, CA 94401
San Mateo County (650) 344-1114

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 Duncanson's NPI number?

The NPI number for Melissa Duncanson is 1144753443. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Where is Melissa Duncanson located?

Melissa Duncanson practices at 136 N San Mateo Dr Ste 101, San Mateo, CA 94401. The listed phone number is (650) 344-1114.

What is Melissa Duncanson's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Melissa Duncanson enrolled in Medicare?

Yes. Melissa Duncanson 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 Duncanson was last updated on July 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.