Joanne Helen Wang, MD
Orthopaedic Hand Surgery Physician · Simi Valley, CA
Joanne Helen Wang, MD is an orthopaedic hand surgery physician with a practice address in Simi Valley, California, and NPI 1255727285, issued on Apr 7, 2015. Check the license (California A174739, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joanne Helen Wang
- Credential
- MD
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- A174739 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2525 Erringer RD, Simi Valley, CA 93065
- Phone
- (805) 527-1404
- Enumerated
- Apr 7, 2015
- Record last updated
- Jan 20, 2026
- Fax
- (805) 527-5246
- Medicare enrollment
- Enrolled (PECOS I20220104000014); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2015
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 288 in California → Look up another NPI →
Also registered at 2525 Erringer RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zade Batarseh, PA-CPhysician Assistant1306493267
- Molly Breckley, PTPhysical Therapist1063784510
- Khristina Caldarelli, PA-CPhysician Assistant1811622301
- Daniel Davis, MDSports Medicine (Orthopaedic Surgery) Physician1730150830
- Michael Fealy, MDSurgery of the Hand (Plastic Surgery) Physician1669468872
- Gregg Hartman, M.D.Sports Medicine (Orthopaedic Surgery) Physician1336105238
Verify Joanne Helen Wang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A174739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
227 Medicare Part D claims for 133 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 82 claims were for opioids.
Most prescribed
- Meloxicam85 claims
- Hydrocodone-Acetaminophen34 claims
- Methylprednisolone30 claims
- Oxycodone-Acetaminophen30 claims
- Tramadol Hcl17 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,257.41
12 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, Inc. The 1,819 providers of this specialty with any payment received $5,529.86 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
- Ventura Orthopedics Medical Group IncThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanne Helen Wang among 288 orthopaedic hand surgery physician records in California
Joanne Helen Wang, MD is one of 288 orthopaedic hand surgery physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 86% of them.
- NPI issued2015 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2015 · median 2004 among the 214 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in California
There are 288 orthopaedic hand surgery physician records in California.
All 288 in California → Every provider in Simi Valley → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Lorenzo Walker, M.D.Oxnard, CA 930361649210725
- Andre Ishak, M.D.Oxnard, CA 930301639135445
- Michael Behrman, MDSanta Barbara, CA 931051932217411
- Dennis Phelps, M.D.Santa Barbara, CA 931051912991662
- Adam Rives, M.D.Santa Barbara, CA 931051508084690
- Robert Ruth, MDSanta Barbara, CA 931051730273681
- Corina BrownSanta Barbara, CA 931101386008811
- Steven Hollstien, M.D.Santa Barbara, CA 931111912087040
Common questions
What is Joanne Helen Wang, MD's NPI number?
Joanne Helen Wang, MD's National Provider Identifier (NPI) is 1255727285, issued on Apr 7, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joanne Helen Wang, MD located?
The NPPES record lists a practice address at 2525 Erringer RD, Simi Valley, CA, 93065. Phone: (805) 527-1404. Providers update this record themselves, so call before visiting.
How can I verify Joanne Helen Wang, MD's license?
NPPES lists California license number A174739, 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 Joanne Helen Wang, MD prescribe under Medicare Part D?
In 2024, Joanne Helen Wang, MD had 227 Medicare Part D claims for 133 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
What is Joanne Helen Wang, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.