NPPES file of Aug 9, 2026

Carolina Beatriz Sierra Lopez, MD

Family Medicine Physician · Ypsilanti, MI

Carolina Beatriz Sierra Lopez, MD is a family medicine physician with a practice address in Ypsilanti, Michigan, and NPI 1083111017, issued on Apr 6, 2018. Check the license (Michigan 4301509176, 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
1083111017
Name
Carolina Beatriz Sierra Lopez
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4301509176 MI
Self-reported in NPPES; status is on the state search
Practice location
200 Arnet St, Ypsilanti, MI 48198
Phone
(734) 539-5000
Enumerated
Apr 6, 2018
Record last updated
Jul 11, 2023
Medicare enrollment
Enrolled (PECOS I20230814001233); accepts Medicare assignment
Medical or professional school
University Central Del Caribe Escuela De Medicina, 2019
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.
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Also registered at 200 Arnet St

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

  1. Sana Ahmed, M.D.Pediatrics Physician1235263179
  2. Mary Bieniasz, NPNurse Practitioner1598771362
  3. William Binder, M.D.Family Medicine Physician1427000819
  4. Sara Bonnough, LMSWClinical Social Worker1073957387
  5. Christin Carthage, MSWClinical Social Worker1861738213
  6. Tammy Chang, M.D.Family Medicine Physician1801094966

Verify Carolina Beatriz Sierra 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 4301509176
    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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39% fewer Medicare Part D claims than the average family medicine physician in 2024

2,164 Medicare Part D claims for 311 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 71 claims were for opioids.

  1. Carolina Sierra Lopez2,164
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate96 claims
  2. Atorvastatin Calcium93 claims
  3. Losartan Potassium88 claims
  4. Omeprazole83 claims
  5. Lisinopril78 claims
  6. Gabapentin63 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. Regents OF The University OF MichiganChelsea, MI

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

Carolina Beatriz Sierra Lopez among 6,013 family medicine physician records in Michigan

Carolina Beatriz Sierra Lopez, MD 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 2018, is newer than 76% of them.

  • NPI issued2018 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2019 · median 2008 among the 3,493 with a school on file
  • Record last updated2023 · 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).

50 family medicine physician records list a practice address in Ypsilanti

They are 50 of the 3,625 NPPES records with a practice address in Ypsilanti, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Stuart Bilyeu, D.O.Ypsilanti, MI 481981730112947
  2. William Binder, M.D.Ypsilanti, MI 481981427000819
  3. Robert Brooks, D.O.Ypsilanti, MI 481981245328640
  4. Tammy Chang, M.D.Ypsilanti, MI 481981801094966
  5. Christine Cigolle, MDYpsilanti, MI 481981033201926
  6. Joanna Duquette, M.D.Ypsilanti, MI 481981104112325
  7. Uche George-Nwogu, MB, BSYpsilanti, MI 481981336237858
  8. Joel Heidelbaugh, MDYpsilanti, MI 481981689762114

Common questions

What is Carolina Beatriz Sierra Lopez, MD's NPI number?

Carolina Beatriz Sierra Lopez, MD's National Provider Identifier (NPI) is 1083111017, issued on Apr 6, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Carolina Beatriz Sierra Lopez, MD located?

The NPPES record lists a practice address at 200 Arnet St, Ypsilanti, MI, 48198. Phone: (734) 539-5000. Providers update this record themselves, so call before visiting.

How can I verify Carolina Beatriz Sierra Lopez, MD's license?

NPPES lists Michigan license number 4301509176, 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 Carolina Beatriz Sierra Lopez, MD prescribe under Medicare Part D?

In 2024, Carolina Beatriz Sierra Lopez, MD had 2,164 Medicare Part D claims for 311 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.

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.