Collin Chen, M.D.
Otolaryngology Physician · St Louis, MO
Collin Chen, M.D. is an otolaryngology physician with a practice address in St Louis, Missouri, and NPI 1194139113, issued on Jun 18, 2014. Check the license (Missouri 2014016666, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Collin Chen
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 2014016666 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1225 S. Grand, St Louis, MO 63104
- Phone
- (314) 977-5110
- Enumerated
- Jun 18, 2014
- Record last updated
- Mar 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190611002242); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 253 in Missouri → Look up another NPI →
Also registered at 1225 S. Grand
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Brunworth, M.D.Otolaryngology Physician1366694135
- Amy Cooley, NPNurse Practitioner1629580246
- Mona Dagher, M.D.Student in an Organized Health Care Education/Training Program1972347151
- John Eisenbeis, MDOtolaryngology Physician1659398246
- Melissa Lowe, M.S., CCC-AAudiologist-Hearing Aid Fitter1881749232
- Anthony Mikulec, MDOtology & Neurotology Physician1104843176
Verify Collin Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2014016666Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average otolaryngology physician in 2024
45 Medicare Part D claims for 25 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Azelastine Hcl12 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: $193.82
4 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 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
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Collin Chen among 253 otolaryngology physician records in Missouri
Collin Chen, M.D. is one of 253 otolaryngology physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 66% of them.
- NPI issued2014 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2014 · median 2007 among the 148 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Missouri
There are 253 otolaryngology physician records in Missouri.
All 253 in Missouri → Every provider in St Louis → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Jastin Antisdel, MDSaint Louis, MO 631041073714564
- Joseph Brunworth, M.D.St Louis, MO 631041366694135
- John Eisenbeis, MDSt Louis, MO 631041659398246
- Joshua Hentzelman, M.D.Saint Louis, MO 631041588865091
- Henry Ideker, MDSt Louis, MO 631041063973972
- Sean Massa, MDSaint Louis, MO 631041336586809
- Christopher Rayle, MDSaint Louis, MO 631041568993509
- Thomas Sanford, MDSt Louis, MO 631041568489151
Common questions
What is Collin Chen, M.D.'s NPI number?
Collin Chen, M.D.'s National Provider Identifier (NPI) is 1194139113, issued on Jun 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Collin Chen, M.D. located?
The NPPES record lists a practice address at 1225 S. Grand, St Louis, MO, 63104. Phone: (314) 977-5110. Providers update this record themselves, so call before visiting.
How can I verify Collin Chen, M.D.'s license?
NPPES lists Missouri license number 2014016666, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Collin Chen, M.D. prescribe under Medicare Part D?
In 2024, Collin Chen, M.D. had 45 Medicare Part D claims for 25 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.