Michael Chan Dam, MD
Cardiovascular Disease Physician · Orange, CA
Michael Chan Dam, MD is a cardiovascular disease physician with a practice address in Orange, California, and NPI 1376547000, issued on Jun 10, 2005. Check the license (California G75506, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Chan Dam
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G75506 CA
Self-reported in NPPES; status is on the state search - Practice location
- 681 S Parker St, Orange, CA 92868
- Phone
- (714) 445-0220
- Enumerated
- Jun 10, 2005
- Record last updated
- Jan 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (714) 445-0246
- Medicare enrollment
- Enrolled (PECOS I20111130000137); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 681 S Parker St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Istaphanous, M.D.Anesthesiology Physician1609096395
- Nandita Kakar, D.O.Anesthesiology Physician1407000953
- Jessica Li, M.D.Cardiovascular Disease Physician1982638649
- Trung Nguyen, M.D.Anesthesiology Physician1174608046
- Jean Sprengel, M.D.Anesthesiology Physician1316907553
Verify Michael Chan Dam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75506Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,996 Medicare Part D claims for 484 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Eliquis491 claims
- Metoprolol Succinate242 claims
- Amlodipine Besylate223 claims
- Atorvastatin Calcium209 claims
- Metoprolol Tartrate156 claims
- Furosemide150 claims
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): 75.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $143.28
2 payments; by number, the most common kind was food and beverage; the largest payer was Kestra Medical Technology Services, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pacific Cardiovascular Associates Medical Group, Inc.Orange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Chan Dam among 2,574 cardiovascular disease physician records in California
Michael Chan Dam, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1991 · median 1999 among the 1,742 with a school on file
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Orange → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Hossein Alimadadian, M.D.Orange, CA 928681285664029
- Dicran Baron, MDOrange, CA 928681881689347
- Irmina Gradus-Pizlo, M.D.Orange, CA 928681356305254
- Warren Johnston, MDOrange, CA 928681427052802
- Morton Kern, MDOrange, CA 928681770587131
- Jessica Li, M.D.Orange, CA 928681982638649
- Donald Mahon, M.D.Orange, CA 928681255335659
- Joseph Ruggio, MDOrange, CA 928681124023163
Common questions
What is Michael Chan Dam, MD's NPI number?
Michael Chan Dam, MD's National Provider Identifier (NPI) is 1376547000, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Chan Dam, MD located?
The NPPES record lists a practice address at 681 S Parker St, Orange, CA, 92868. Phone: (714) 445-0220. Providers update this record themselves, so call before visiting.
How can I verify Michael Chan Dam, MD's license?
NPPES lists California license number G75506, 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 Michael Chan Dam, MD prescribe under Medicare Part D?
In 2024, Michael Chan Dam, MD had 2,996 Medicare Part D claims for 484 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Michael Chan Dam, MD's MIPS final score?
The 2023 MIPS final score is 75.1 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.