Matthew D. Whealon, MD
Colon & Rectal Surgery Physician · Colton, CA
Matthew D. Whealon, MD is a colon & rectal surgery physician with a practice address in Colton, California, and NPI 1902163710, issued on Apr 18, 2012. Check the license (California A128935, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew D. Whealon
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License numbers
- A128935 CA
MD464833 PA
MT216910 PA
Self-reported in NPPES; status is on the state search - Practice location
- 400 N. Pepper Ave., Colton, CA 92324
- Phone
- (909) 580-3353
- Enumerated
- Apr 18, 2012
- Record last updated
- Mar 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (909) 580-1363
- Medicare enrollment
- Enrolled (PECOS I20170425001751); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 198 in California → Look up another NPI →
Also registered at 400 N. Pepper Ave.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farabi Hussain, MDSurgery Physician1104866748
- Bruce Reddix, M.D.Neonatal-Perinatal Medicine Physician1174632780
- David Ruckle, MDOrthopaedic Surgery Physician1699338913
- Charles Telesco, PA-CPhysician Assistant1609285220
Verify Matthew D. Whealon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A128935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
72 Medicare Part D claims for 31 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.
Most prescribed
- Metronidazole22 claims
- Neomycin Sulfate20 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: $1,006.86
11 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 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
- University Surgeons OF Orange A Medical GroupOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew D. Whealon among 198 colon & rectal surgery physician records in California
Matthew D. Whealon, MD is one of 198 colon & rectal surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 77% of them.
- NPI issued2012 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2012 · median 2002 among the 149 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in California
There are 198 colon & rectal surgery physician records in California.
All 198 in California → Every provider in Colton → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Ngoc Patrick Nguyen, MDFontana, CA 923351417153552
- Robert Yuhan, MDFontana, CA 923351144397969
- Allison Aka, MDLoma Linda, CA 923501891130100
- Justin Greco, MB BCH BAOLoma Linda, CA 923501376032888
- John Griffin, M.D.Loma Linda, CA 923541821014903
- David Row, M.D.Loma Linda, CA 923541871797118
- Scott Gering, MDRancho Mirage, CA 922701962495721
- Mohammed Iyoob Mohammed Ilyas, MDRancho Mirage, CA 922701902160195
Common questions
What is Matthew D. Whealon, MD's NPI number?
Matthew D. Whealon, MD's National Provider Identifier (NPI) is 1902163710, issued on Apr 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Matthew D. Whealon, MD located?
The NPPES record lists a practice address at 400 N. Pepper Ave., Colton, CA, 92324. Phone: (909) 580-3353. Providers update this record themselves, so call before visiting.
How can I verify Matthew D. Whealon, MD's license?
NPPES lists California license number A128935, 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 Matthew D. Whealon, MD prescribe under Medicare Part D?
In 2024, Matthew D. Whealon, MD had 72 Medicare Part D claims for 31 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. 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.