Justin Guan, MD
Internal Medicine Physician · Cleveland, OH
Justin Guan, MD is an internal medicine physician with a practice address in Cleveland, Ohio, and NPI 1578945432, issued on Jun 26, 2015. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Justin Guan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 9500 Euclid Ave, Cleveland, OH 44195
- Phone
- (216) 444-5616
- Enumerated
- Jun 26, 2015
- Entity
- Type 1 · individual
Also registered at 9500 Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Guan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of OhioCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
42 Medicare Part D claims for 25 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ibuprofen20 claims
- Methylprednisolone11 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: $18.52
1 payment, mostly food and beverage; the largest payer was Medtronic, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
2 hospital and facility affiliations
- Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars
- Clinic Medical Services CompanyCleveland, OH
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,003 internal medicine physician records list a Cleveland practice address
They are 1,003 of the 30,748 NPPES records with a Cleveland practice address, and 5,995 internal medicine physician records in Ohio.
All 1,003 in Cleveland → All 5,995 in Ohio → Every provider in Cleveland →
Other internal medicine physician records in Ohio
- Evan Abalos, D.O.Toledo, OH1194163089
- Teah Abashidze, M.D.Cleveland, OH1336179647
- Rami Abboud, MDLorain, OH1487854972
- Walid Abboud, MDCleveland, OH1245295559
- Moshrik Abd-Alamir, M.D.Toledo, OH1386879054
- Jason Abdallah, M.D.Cuyahoga Falls, OH1093071565
- Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
- Mohammed Abdelaziz, MDDayton, OH1831326701
- Bahaa Abdelghaffar, MDCleveland, OH1265954275
- John Abdelnour, MDCleveland, OH1114656931
Common questions
What is Justin Guan, MD's NPI number?
Justin Guan, MD's National Provider Identifier (NPI) is 1578945432, issued on Jun 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Justin Guan, MD located?
The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 444-5616. Providers update this record themselves, so call before visiting.
How can I verify Justin Guan, MD's license?
Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Justin Guan, MD prescribe under Medicare Part D?
In 2024, Justin Guan, MD had 42 Medicare Part D claims for 25 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.