Ian A. Harding, M.D.
Pediatrics Physician · Worcester, MA
Ian A. Harding, M.D. is a pediatrics physician with a practice address in Worcester, Massachusetts, and NPI 1790724227, issued on Jun 6, 2006. Check the license (Massachusetts 159535, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ian A. Harding
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 159535 MA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Oak Ave, Worcester, MA 01605
- Phone
- (508) 756-2020
- Enumerated
- Jun 6, 2006
- Record last updated
- Jun 22, 2023
- Fax
- (508) 756-0705
- Entity
- Type 1 · individual
Also registered at 45 Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julia Feudo, M.D.Pediatrics Physician1679503551
- Emma HughesPediatric Adolescent Medicine Physician1679655831
- Joyee NobisPediatric Adolescent Medicine Physician1770665952
- Nicholas Pacella, M.D.Pediatrics Physician1487601068
- Rosa Rincon - Rivero, M.D.Pediatrics Physician1306168315
Verify Ian A. Harding in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 159535Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $456.35
22 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,580 providers of this specialty with any payment received $842.05 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.
Pediatrics Physician providers in Massachusetts
There are 2,628 pediatrics physician records in Massachusetts.
Other pediatrics physician records in Massachusetts
- Marissa AaronBoston, MA1538687827
- Ralph Aarons, MDBrighton, MA1407841570
- Ebla Abd AlrahmanWorcester, MA1255966743
- James Abel, M.D.Pelham, MA1255521381
- Aileen Abesamis, MDBrockton, MA1619056546
- Claire Abraham, MDBoston, MA1942731161
- Shari Abramowitz, M.D.Boston, MA1558346593
- Nadeen AbujaberBoston, MA1053635938
- Stephanie Abuso, DOBoston, MA1437788148
- Mark Acker, M.D.Taunton, MA1629011382
Common questions
What is Ian A. Harding, M.D.'s NPI number?
Ian A. Harding, M.D.'s National Provider Identifier (NPI) is 1790724227, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ian A. Harding, M.D. located?
The NPPES record lists a practice address at 45 Oak Ave, Worcester, MA, 01605. Phone: (508) 756-2020. Providers update this record themselves, so call before visiting.
How can I verify Ian A. Harding, M.D.'s license?
NPPES lists Massachusetts license number 159535, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.