NPPES file of Aug 9, 2026

Joel Guillermo Lopez, M.D.

Family Medicine Physician · Grand Rapids, MI

Joel Guillermo Lopez, M.D. is a family medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1851617856, issued on Apr 15, 2010. Check the license (Michigan 4301102565, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1851617856
Name
Joel Guillermo Lopez
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
4301102565 MI
036131894 IL
Self-reported in NPPES; status is on the state search
Practice location
2750 E Beltline Ave NE FL 1, Grand Rapids, MI 49525
Phone
(616) 391-6271
Enumerated
Apr 15, 2010
Record last updated
Feb 12, 2024
Fax
(616) 447-5868
Medicare enrollment
Enrolled (PECOS I20130815000566); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2010
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.
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8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →

Also registered at 2750 E Beltline Ave NE FL 1

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

  1. Lisa Andersson-Zetye, MDObstetrics & Gynecology Physician1013023456
  2. Anne Barron, MDObstetrics & Gynecology Physician1134780315
  3. Kristen Bottke, MDObstetrics & Gynecology Physician1669853511
  4. Mary BrinkmanObstetrics & Gynecology Physician1306471461
  5. Katrina Buyze, MDObstetrics & Gynecology Physician1831728450
  6. Ryan Carmody, PAPhysician Assistant1689224511

Verify Joel Guillermo Lopez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301102565    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 Michigan 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.

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87% fewer Medicare Part D claims than the average family medicine physician in 2024

470 Medicare Part D claims for 344 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Joel Lopez470
  2. Specialty average3,544

Most prescribed

  1. Prednisone64 claims
  2. Cephalexin42 claims
  3. Albuterol Sulfate Hfa33 claims
  4. Amoxicillin-Clavulanate Potass32 claims
  5. Benzonatate31 claims
  6. Azithromycin30 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.

Bills Medicare through one group practice

  1. Spectrum Health Primary Care PartnersGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joel Guillermo Lopez among 6,013 family medicine physician records in Michigan

Joel Guillermo Lopez, M.D. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.

  • NPI issued2010 · 57% of these records are older, 42% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2010 · median 2008 among the 3,493 with a school on file
  • Record last updated2024 · 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 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

317 family medicine physician records list a practice address in Grand Rapids

They are 317 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,013 family medicine physician records in Michigan.

All 6,013 in Michigan → Every provider in Grand Rapids → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. William Ahrens, MDGrand Rapids, MI 495251417994088
  2. Philip Baty, MDGrand Rapids, MI 495251518918499
  3. Matthew Boutell, MDGrand Rapids, MI 495251043210818
  4. Jill Bultje, MDGrand Rapids, MI 495251568414241
  5. Mario Cesario, MDGrand Rapids, MI 495251124093679
  6. Diane Culik, MDGrand Rapids, MI 495251053378034
  7. John Duhn, DOGrand Rapids, MI 495251821043613
  8. Saleh Dyke, MDGrand Rapids, MI 495251477511145

Common questions

What is Joel Guillermo Lopez, M.D.'s NPI number?

Joel Guillermo Lopez, M.D.'s National Provider Identifier (NPI) is 1851617856, issued on Apr 15, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Joel Guillermo Lopez, M.D. located?

The NPPES record lists a practice address at 2750 E Beltline Ave NE FL 1, Grand Rapids, MI, 49525. Phone: (616) 391-6271. Providers update this record themselves, so call before visiting.

How can I verify Joel Guillermo Lopez, M.D.'s license?

NPPES lists Michigan license number 4301102565, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joel Guillermo Lopez, M.D. prescribe under Medicare Part D?

In 2024, Joel Guillermo Lopez, M.D. had 470 Medicare Part D claims for 344 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.