NPPES file of Aug 9, 2026

John Conrad Alfes, M.D.

Internal Medicine Physician · Avon, OH

John Conrad Alfes, M.D. is an internal medicine physician with a practice address in Avon, Ohio, and NPI 1952414435, issued on Aug 17, 2006. Check the license (Ohio 35-055393, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952414435
Name
John Conrad Alfes
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35-055393 OH
Self-reported in NPPES; status is on the state search
Practice location
36711 American Way, Avon, OH 44011
Phone
(216) 621-5600
Enumerated
Aug 17, 2006
Record last updated
Oct 4, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(440) 937-2345
Medicaid ID
0738134 OH
Medicare enrollment
Enrolled (PECOS I20040128000007); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1986
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 36711 American Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica Balut, BCBA, COBABehavior Analyst1982575536
  2. Ellen Button, RPHPharmacist1053428763
  3. Francis Caruso, L.AC.Acupuncturist1992977227
  4. Alyssa DeleyBehavior Analyst1396510616
  5. Molly ForreyBehavior Analyst1316764616
  6. Donna Goodwin, APRN, CNPFamily Nurse Practitioner1295255610

Verify John Conrad Alfes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35-055393
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.7 times the Medicare Part D claims of the average internal medicine physician in 2024

8,636 Medicare Part D claims for 753 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 212 claims were for opioids.

  1. John Alfes8,636
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium617 claims
  2. Losartan Potassium379 claims
  3. Rosuvastatin Calcium362 claims
  4. Amlodipine Besylate321 claims
  5. Lisinopril312 claims
  6. Levothyroxine Sodium276 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: $3,273.70

9 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.

  1. John Alfes$3,273.70
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Cleveland ClinicAvon, OH · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

John Conrad Alfes among 5,277 internal medicine physician records in Ohio

John Conrad Alfes, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1986 · median 2006 among the 3,414 with a school on file
  • Record last updated2013 · 58% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 internal medicine physician records list a practice address in Avon

They are 16 of the 500 NPPES records with a practice address in Avon, and 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. May Al-Abousi, MDAvon, OH 440111740256437
  2. Jennifer Carandang, MDAvon, OH 440111912909862
  3. Laura Davis Luarde, DOAvon, OH 440111114919222
  4. Andrew Filiatraut, DOAvon, OH 440111891755591
  5. Ronald Garcia, M.D.Avon, OH 440111841267069
  6. Rashmi Jain, M.DAvon, OH 440111689906067
  7. Edgar Marr, MDAvon, OH 440111649375049
  8. Jose Mendoza, M.D.Avon, OH 440111578533659

Common questions

What is John Conrad Alfes, M.D.'s NPI number?

John Conrad Alfes, M.D.'s National Provider Identifier (NPI) is 1952414435, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Conrad Alfes, M.D. located?

The NPPES record lists a practice address at 36711 American Way, Avon, OH, 44011. Phone: (216) 621-5600. Providers update this record themselves, so call before visiting.

How can I verify John Conrad Alfes, M.D.'s license?

NPPES lists Ohio license number 35-055393, as entered by the provider. 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 John Conrad Alfes, M.D. prescribe under Medicare Part D?

In 2024, John Conrad Alfes, M.D. had 8,636 Medicare Part D claims for 753 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.