Damon Jon Ng, MD
Orthopaedic Surgery Physician · Walnut Creek, CA
Damon Jon Ng, MD is an orthopaedic surgery physician with a practice address in Walnut Creek, California, and NPI 1538324140, issued on Jul 23, 2008. Check the license (California A109179, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Damon Jon Ng
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A109179 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1425 S Main St, Walnut Creek, CA 94596
- Phone
- (209) 689-8008
- Enumerated
- Jul 23, 2008
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20091203000115); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 2003
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 1425 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Damon Jon Ng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
58 Medicare Part D claims for 31 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 28 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen13 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.
Industry payments in 2024: $88.12
3 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Damon Jon Ng among 2,276 orthopaedic surgery physician records in California
Damon Jon Ng, MD is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 65% of them.
- NPI issued2008 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2003 among the 1,347 with a school on file
- Record last updated2022 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Walnut Creek → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Eugene Bobroff, MDWalnut Creek, CA 945961972681070
- Craig Boulris, MDWalnut Creek, CA 945961609954700
- William Cimino, MDWalnut Creek, CA 945961780762872
- Craig Gyory, MDWalnut Creek, CA 945961861570921
- Jason Ho, M.D.Walnut Creek, CA 945961124050653
- Joanne Kim, MDWalnut Creek, CA 945961669524880
- Jeffrey Luo, MDWalnut Creek, CA 945961477627073
- Douglas Mason, MDWalnut Creek, CA 945961811075971
Common questions
What is Damon Jon Ng, MD's NPI number?
Damon Jon Ng, MD's National Provider Identifier (NPI) is 1538324140, issued on Jul 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Damon Jon Ng, MD located?
The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (209) 689-8008. Providers update this record themselves, so call before visiting.
How can I verify Damon Jon Ng, MD's license?
NPPES lists California license number A109179, 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 Damon Jon Ng, MD prescribe under Medicare Part D?
In 2024, Damon Jon Ng, MD had 58 Medicare Part D claims for 31 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
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.