NPPES file of Aug 9, 2026

David Heekwan Woo, M.D.

Vascular & Interventional Radiology Physician · Walnut Creek, CA

David Heekwan Woo, M.D. is a vascular & interventional radiology physician with a practice address in Walnut Creek, California, and NPI 1407988272, issued on Mar 9, 2007. Check the license (California A95998, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407988272
Name
David Heekwan Woo
Credential
M.D.
Primary taxonomy
Vascular & Interventional Radiology Physician 2085R0204X
License number
A95998 CA
Self-reported in NPPES; status is on the state search
Practice location
2125 Oak Grove RD, Walnut Creek, CA 94598
Phone
(925) 296-7150
Enumerated
Mar 9, 2007
Record last updated
Dec 12, 2023
Fax
(925) 296-7171
Medicare enrollment
Enrolled (PECOS I20070719000343); may accept Medicare assignment
Medical or professional school
New York University School Of Medicine, 1999
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2125 Oak Grove RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Richard Baxter, M.D.Diagnostic Radiology Physician1356382956
  2. Robert BinderDiagnostic Radiology Physician1942241559
  3. Kimberly Blumberg, M.DDiagnostic Radiology Physician1316979925
  4. James Branscom, M.D.Diagnostic Radiology Physician1558304451
  5. Less Chafen, M.D.Diagnostic Radiology Physician1336131689
  6. Joseph Chan, M.D.Diagnostic Radiology Physician1043256720

Verify David Heekwan Woo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A95998
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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71% fewer Medicare Part D claims than the average vascular & interventional radiology physician in 2024

22 Medicare Part D claims for 13 beneficiaries, against an average of 75 among the 1,444 providers of this specialty who prescribed in Part D.

  1. David Woo22
  2. Specialty average75

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 90.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,292.20

24 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Woo$1,292.20
  2. Specialty average$7,206.73

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 4 group practices

  1. Bay Imaging Consultants Medical Group IncSan Jose, CA
  2. John Muir Magnetic Imaging CenterWalnut Creek, CA
  3. John Muir Physician NetworkWalnut Creek, CA
  4. John Muir Trauma Physicians Billing ServiceWalnut Creek, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Heekwan Woo among 599 vascular & interventional radiology physician records in California

David Heekwan Woo, M.D. is one of 599 vascular & interventional radiology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 54% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated1999 · median 2007 among the 497 with a school on file
  • Record last updated2023 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular & Interventional Radiology Physician providers in California

There are 599 vascular & interventional radiology physician records in California.

The 8 vascular & interventional radiology physician records with the nearest ZIP codes

  1. Ira Finch, M.D.Walnut Creek, CA 945981366472912
  2. Erik Gaensler, MDWalnut Creek, CA 945981376598474
  3. Patrick Gonzales, M.D.Walnut Creek, CA 945981669779179
  4. Richard Hong, M.D.Walnut Creek, CA 945981487805362
  5. Robert Kim, M.D.Walnut Creek, CA 945981477598506
  6. Daniel Kim, M.D.Walnut Creek, CA 945981295880706
  7. Christopher Lee, MDWalnut Creek, CA 945981083826879
  8. Jiwon Youm, M.D.Walnut Creek, CA 945981265876478

Common questions

What is David Heekwan Woo, M.D.'s NPI number?

David Heekwan Woo, M.D.'s National Provider Identifier (NPI) is 1407988272, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Heekwan Woo, M.D. located?

The NPPES record lists a practice address at 2125 Oak Grove RD, Walnut Creek, CA, 94598. Phone: (925) 296-7150. Providers update this record themselves, so call before visiting.

How can I verify David Heekwan Woo, M.D.'s license?

NPPES lists California license number A95998, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Heekwan Woo, M.D. prescribe under Medicare Part D?

In 2024, David Heekwan Woo, M.D. had 22 Medicare Part D claims for 13 beneficiaries; the average among vascular & interventional radiology physician prescribers was 75. Part D covers Medicare prescriptions only.

What is David Heekwan Woo, M.D.'s MIPS final score?

The 2023 MIPS final score is 90.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.