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DR. MERRY E UCHIYAMA M.D.
NPI 1518255454
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Danville, CA

Active since July 13, 2011PECOS EnrolledAccepts Medicare Assignment
90.32/100
CMS Quality Rating
1320 EL CAPITAN DR STE 120, DANVILLE, CA 94526(925) 676-2600(925) 680-0212 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 18, 2026, Sep 14, 2018 (2 updates tracked since 2018).

About Dr. Merry E Uchiyama M.d. NPPES

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

DR. MERRY E UCHIYAMA M.D. (NPI 1518255454) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Danville, California, licensed in California (A137205) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Missouri, Columbia School Of Medicine (2010).

NPPES Registry Identity

NPI1518255454
Entity TypeIndividualFemale
Primary Taxonomy208G00000X
Provider Legal NameDR. MERRY E UCHIYAMACredential: M.D.
Location Address1320 EL CAPITAN DR STE 120Danville, CA 94526
Mailing Address1320 El Capitan Dr Ste 120Danville, CA 94526-6260 · (925) 676-2600 · Fax (925) 680-0212
Phone(925) 676-2600
Fax(925) 680-0212
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2010
Enumeration DateJuly 13, 2011
Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1518255454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
Licenses✔ Licensed in CA · A137205✔ Licensed in WA · MD.70155114✔ Licensed in OR · MD232174
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
1320 EL CAPITAN DR STE 120, Danville, CA 94526
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1501 N Graham St Ste 220Portland, OR 97227-2014 · Phone (503) 413-6200
Location 2513 Parnassus Avenus, S-321San Francisco, CA 94143-0001 · Phone (415) 476-1239 · Fax (415) 502-1259

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan.Insurance ›

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. Merry E Uchiyama 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 ID2062652373
PECOS Enrollment IDI20240819004142
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

5

Medicare enrollment records show Merry Uchiyama reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

East Bay Cardiovascular And Thoracic Associates Inc.
Same address
Surgery
1320 EL CAPITAN DR, STE 120
Danville, CA 94526
  • Reassigned Medicare billing, California enrollment
  • 22 clinicians in this Medicare group
NPI 1073647202 (925) 676-2600
John Muir Trauma Physicians Billing Service
9.8 mi
Hospitalist
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 810 clinicians in this Medicare group
NPI 1093864837 (925) 947-5331
Legacy Clinics LLC
526 mi
Rural Health
36860 INDUSTRIAL WAY
Sandy, OR 97055
  • Reassigned Medicare billing, Oregon enrollment
  • 1,248 clinicians in this Medicare group
NPI 1730472192 (503) 826-0206
Legacy Salmon Creek Hospital
549 mi
Clinic/Center
2211 NE 139TH ST
Vancouver, WA 98686
  • Reassigned Medicare billing, Washington enrollment
  • 754 clinicians in this Medicare group
NPI 1356357784 (360) 487-2878
Hawaii Permanente Medical Group Inc
2,420 mi
Health Maintenance Organization
3288 MOANALUA RD
Honolulu, HI 96819
  • Reassigned Medicare billing, Hawaii enrollment
  • 1,187 clinicians in this Medicare group
NPI 1710945969 (808) 432-0000

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 3

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.
20 services15 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
19 services18 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94526 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
$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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.32/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.4
Promoting Interoperability100
Improvement Activities40
Cost56.04

Other Providers at the Same Location NPPES 3

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

DANIEL J OCHALEK MD
Surgery
1320 EL CAPITAN DR STE 120
DANVILLE, CA 94526
Contra Costa County (925) 676-2600
CHAD BATCHELOR NP
Nurse Practitioner (Primary Care)
1320 EL CAPITAN DR STE 120
DANVILLE, CA 94526
Contra Costa County (925) 676-2600
SRINIVAS R. RAMACHANDRA MD
Surgery (Vascular Surgery)
1320 EL CAPITAN DR STE 120
DANVILLE, CA 94526
Contra Costa County (510) 579-2345

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 Merry Uchiyama's NPI number?

The NPI number for Merry Uchiyama is 1518255454. It was assigned to this individual provider in the NPPES registry on July 13, 2011.

Where is Merry Uchiyama located?

Merry Uchiyama practices at 1320 El Capitan Dr Ste 120, Danville, CA 94526. The listed phone number is (925) 676-2600.

What is Merry Uchiyama's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Merry Uchiyama enrolled in Medicare?

Yes. Merry Uchiyama 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 Merry Uchiyama's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Merry Uchiyama reassigns Medicare benefits to 5 organizations: East Bay Cardiovascular And Thoracic Associates Inc. (Danville, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), Legacy Clinics LLC (Sandy, OR), Legacy Salmon Creek Hospital (Vancouver, WA) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 Merry Uchiyama's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Merry Uchiyama accept?

Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Merry Uchiyama as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Merry Uchiyama was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.