Juan M. Alvarez, M.D.
Internal Medicine Physician · Florissant, MO
Juan M. Alvarez, M.D. is an internal medicine physician with a practice address in Florissant, Missouri, and NPI 1356315634, issued on Feb 14, 2006. Check the license (Missouri R7H86, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Juan M. Alvarez
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R7H86 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1120 Shackelford RD, Florissant, MO 63031
- Phone
- (314) 921-4420
- Enumerated
- Feb 14, 2006
- Record last updated
- Oct 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (314) 921-6086
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 1120 Shackelford RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Juan M. Alvarez 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 R7H86Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
11,261 Medicare Part D claims for 576 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 427 claims were for opioids.
Most prescribed
- Losartan Potassium702 claims
- Atorvastatin Calcium412 claims
- Amlodipine Besylate393 claims
- Levothyroxine Sodium371 claims
- Furosemide246 claims
- Hydrochlorothiazide236 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.
Juan M. Alvarez among 2,604 internal medicine physician records in Missouri
Juan M. Alvarez, M.D. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2020 · 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).
27 internal medicine physician records list a practice address in Florissant
They are 27 of the 1,326 NPPES records with a practice address in Florissant, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Florissant → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohamed Ali, M.D.Florissant, MO 630311285607135
- Charmaine Ansari, MDFlorissant, MO 630311972613297
- Yolanda Bledsoe, MDFlorissant, MO 630311396855391
- Mark Faron, MDFlorissant, MO 630311356314041
- Jeffrey Faron, MDFlorissant, MO 630311316911829
- Andrew Kazdan, MDFlorissant, MO 630311811963903
- Dennis Patton, M.D.Florissant, MO 630311447231196
- Irwin Plisco, M.D.Florissant, MO 630311871574525
Common questions
What is Juan M. Alvarez, M.D.'s NPI number?
Juan M. Alvarez, M.D.'s National Provider Identifier (NPI) is 1356315634, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Juan M. Alvarez, M.D. located?
The NPPES record lists a practice address at 1120 Shackelford RD, Florissant, MO, 63031. Phone: (314) 921-4420. Providers update this record themselves, so call before visiting.
How can I verify Juan M. Alvarez, M.D.'s license?
NPPES lists Missouri license number R7H86, 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 Juan M. Alvarez, M.D. prescribe under Medicare Part D?
In 2024, Juan M. Alvarez, M.D. had 11,261 Medicare Part D claims for 576 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.