Helen C. Wang, MD
Allergy & Immunology Physician · Carmel, IN
Helen C. Wang, MD is an allergy & immunology physician with a practice address in Carmel, Indiana, and NPI 1730126921, issued on May 31, 2006. Check the license on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Helen C. Wang
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- MD423851 PA
Self-reported in NPPES; status is on the state search - Practice location
- 12750 Horseferry RD Ste 100, Carmel, IN 46032
- Phone
- (317) 795-0707
- Enumerated
- May 31, 2006
- Record last updated
- Apr 29, 2024
- Fax
- (317) 564-4438
- Medicaid ID
- 101554679 PA
- Medicare enrollment
- Enrolled (PECOS I20191126000639); may accept Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 50 in Indiana → Look up another NPI →
Also registered at 12750 Horseferry RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leena Padhye, M.D.Allergy & Immunology Physician1952715617
Verify Helen C. Wang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of IndianaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
508 Medicare Part D claims for 90 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Montelukast Sodium85 claims
- Albuterol Sulfate Hfa51 claims
- Azelastine Hcl51 claims
- Levocetirizine Dihydrochloride51 claims
- Trelegy Ellipta29 claims
- Famotidine28 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: $1,950.46
98 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,496 providers of this specialty with any payment received $8,321.81 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
- Carmel Allergy LLCCarmel, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Helen C. Wang among 50 allergy & immunology physician records in Indiana
Helen C. Wang, MD is one of 50 allergy & immunology physician records with a practice address in Indiana. 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 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 42% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2001 · median 2002 among the 36 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Indiana
There are 50 allergy & immunology physician records in Indiana.
All 50 in Indiana → Every provider in Carmel → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Leena Padhye, M.D.Carmel, IN 460321952715617
- Anita Sivam, D.O.Carmel, IN 460321134547037
- Nabeel Farooqui, M.D.Fishers, IN 460371174732804
- David Patterson, MDNoblesville, IN 460601922001007
- Ann Esquivel, M.D.Zionsville, IN 460771457642597
- Vivian Nanagas, M.D.Zionsville, IN 460771285977033
- John Duplantier, M.D.Greenwood, IN 461431134121569
- Grace Hendrickson, DOGreenwood, IN 461431174103097
Common questions
What is Helen C. Wang, MD's NPI number?
Helen C. Wang, MD's National Provider Identifier (NPI) is 1730126921, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Helen C. Wang, MD located?
The NPPES record lists a practice address at 12750 Horseferry RD Ste 100, Carmel, IN, 46032. Phone: (317) 795-0707. Providers update this record themselves, so call before visiting.
How can I verify Helen C. Wang, MD's license?
Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Helen C. Wang, MD prescribe under Medicare Part D?
In 2024, Helen C. Wang, MD had 508 Medicare Part D claims for 90 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.