Adrian Omar Chen, MD
Internal Medicine Physician · Richmond, MO
Adrian Omar Chen, MD is an internal medicine physician with a practice address in Richmond, Missouri, and NPI 1790952869, issued on May 8, 2008. Check the license (Missouri 2012004024, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Adrian Omar Chen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2012004024 MO
Self-reported in NPPES; status is on the state search - Practice location
- 902 Wollard Blvd, Richmond, MO 64085
- Phone
- (816) 776-2201
- Enumerated
- May 8, 2008
- Record last updated
- Jul 24, 2024
- Fax
- (816) 776-7678
- Medicare enrollment
- Enrolled (PECOS I20120911000098); accepts Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 902 Wollard Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Conant, FNP-CFamily Nurse Practitioner1821650763
- Margaret Fridell, FNP-BCFamily Nurse Practitioner1124340401
- Reuel Gregory, DOFamily Medicine Physician1861454910
- Kaitlyn Huhmann, DNP, FNP-CFamily Nurse Practitioner1952960098
- Megan Liebau, FNP-BCFamily Nurse Practitioner1306520416
Verify Adrian Omar 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 2012004024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average internal medicine physician in 2024
4,321 Medicare Part D claims for 437 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 245 claims were for opioids.
Most prescribed
- Atorvastatin Calcium133 claims
- Levothyroxine Sodium116 claims
- Gabapentin109 claims
- Pantoprazole Sodium105 claims
- Albuterol Sulfate Hfa103 claims
- Hydrocodone-Acetaminophen102 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: $1,426.95
82 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Meritas Health CorporationRichmond, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adrian Omar Chen among 2,604 internal medicine physician records in Missouri
Adrian Omar Chen, MD is one of 2,604 internal medicine 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 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 50% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2008 · median 2006 among the 1,443 with a school on file
- Record last updated2024 · 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 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 internal medicine physician record lists a practice address in Richmond
They are 1 of the 79 NPPES records with a practice address in Richmond, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Richmond → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Alcox, M.D.Lees Summit, MO 640861710910807
- Matthew Barton, MDLees Summit, MO 640861720051121
- Pandurang Chillal, M.D.Lees Summit, MO 640861407968753
- Sarah Florio, MDLees Summit, MO 640861871790220
- Richard Haile, M.D.Lees Summit, MO 640861730106303
- Usman Haleem, M.D.Lees Summit, MO 640861225061344
- Emily Robb, MDLees Summit, MO 640861689780082
- Susan Rosamond, M.D.Lees Summit, MO 640861144578675
Common questions
What is Adrian Omar Chen, MD's NPI number?
Adrian Omar Chen, MD's National Provider Identifier (NPI) is 1790952869, issued on May 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Adrian Omar Chen, MD located?
The NPPES record lists a practice address at 902 Wollard Blvd, Richmond, MO, 64085. Phone: (816) 776-2201. Providers update this record themselves, so call before visiting.
How can I verify Adrian Omar Chen, MD's license?
NPPES lists Missouri license number 2012004024, 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 Adrian Omar Chen, MD prescribe under Medicare Part D?
In 2024, Adrian Omar Chen, MD had 4,321 Medicare Part D claims for 437 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.