NPPES file of Aug 9, 2026

Yiding Cai, MD

Internal Medicine Physician · Ann Arbor, MI

Yiding Cai, MD is an internal medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1831536895, issued on May 31, 2013. Check the license (Michigan 4301103205, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831536895
Name
Yiding Cai
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301103205 MI
Self-reported in NPPES; status is on the state search
Practice location
4200 Whitehall Dr, Ann Arbor, MI 48105
Phone
(734) 995-0303
Enumerated
May 31, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4200 Whitehall Dr

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

  1. Matthew Ajluni, DOFamily Medicine Physician1124072400
  2. Abbey Alsip, NPWomen's Health Nurse Practitioner1275392144
  3. Cheryl Bachman, CNMAdvanced Practice Midwife1699826826
  4. Barbara Burkardt, CNMAdvanced Practice Midwife1952309734
  5. Galen Engel, N.P.Family Nurse Practitioner1942604335
  6. Delores Garcia, M.D.Pediatrics Physician1710956941

Verify Yiding Cai 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 4301103205
    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.

50% more Medicare Part D claims than the average internal medicine physician in 2024

4,772 Medicare Part D claims for 438 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 96 claims were for opioids.

  1. Yiding Cai4,772
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium345 claims
  2. Amlodipine Besylate309 claims
  3. Levothyroxine Sodium180 claims
  4. Omeprazole167 claims
  5. Simvastatin149 claims
  6. Lisinopril148 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: $263.67

4 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. 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. Yiding Cai$263.67
  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.

Bills Medicare through one group practice

  1. Iha Health Services CorporationLivonia, MI

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

479 internal medicine physician records list a practice address in Ann Arbor

They are 479 of the 15,616 NPPES records with a practice address in Ann Arbor, and 5,735 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Sura Abbas, MDWarren, MI1801687405
  5. Ramzi Abbasi, MDSaginaw, MI1164270005
  6. Saadat Abbasi, MDKalamazoo, MI1912005596
  7. Shahzaman Abbasi, MDLansing, MI1376512111
  8. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  9. Valerie Abbott, MDSouthfield, MI1740289487
  10. Samer Abboud, MDSaginaw, MI1245804178

Common questions

What is Yiding Cai, MD's NPI number?

Yiding Cai, MD's National Provider Identifier (NPI) is 1831536895, issued on May 31, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Yiding Cai, MD located?

The NPPES record lists a practice address at 4200 Whitehall Dr, Ann Arbor, MI, 48105. Phone: (734) 995-0303. Providers update this record themselves, so call before visiting.

How can I verify Yiding Cai, MD's license?

NPPES lists Michigan license number 4301103205, 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 Yiding Cai, MD prescribe under Medicare Part D?

In 2024, Yiding Cai, MD had 4,772 Medicare Part D claims for 438 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), 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.

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) 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 27, 2026.