Karen Christine Alcaraz, M.D.
Internal Medicine Physician · Kalamazoo, MI
Karen Christine Alcaraz, M.D. is an internal medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1922199900, issued on Sep 27, 2006. Check the license (Michigan 4301094577, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Karen Christine Alcaraz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4301094577 MI
036-115236 IL
Self-reported in NPPES; status is on the state search - Practice location
- 601 John St, Kalamazoo, MI 49007
- Phone
- (269) 341-8481
- Enumerated
- Sep 27, 2006
- Record last updated
- Oct 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (269) 341-7781
- Medicaid ID
- 1922199900 MI
- Medicare enrollment
- Enrolled (PECOS I20091109000435); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 601 John St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fadi Ajine, MDRheumatology Physician1275533986
- Hussein Akl, MDInternal Medicine Physician1699757849
- Kwsai Al-Rahhal, MDSleep Medicine (Internal Medicine) Physician1639159247
Verify Karen Christine Alcaraz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301094577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
329 Medicare Part D claims for 145 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 24 claims were for opioids.
Most prescribed
- Eliquis19 claims
- Cefpodoxime Proxetil18 claims
- Atorvastatin Calcium14 claims
- Pantoprazole Sodium14 claims
- Amlodipine Besylate13 claims
- Cephalexin12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $172.08
6 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Bronson Methodist HospitalBattle Creek, MI · 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.
Karen Christine Alcaraz among 5,735 internal medicine physician records in Michigan
Karen Christine Alcaraz, M.D. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2006 among the 3,564 with a school on file
- Record last updated2014 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 internal medicine physician records list a practice address in Kalamazoo
They are 158 of the 6,553 NPPES records with a practice address in Kalamazoo, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Kalamazoo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lawrence Abramson, MDKalamazoo, MI 490071467413575
- Hussein Akl, MDKalamazoo, MI 490071699757849
- Todd Bennett, DOKalamazoo, MI 490071548233562
- Owen Berow, MDKalamazoo, MI 490071275526600
- James Carter, MDKalamazoo, MI 490071952371411
- Kathryn Grossman, MDKalamazoo, MI 490071780658146
- Eve Inchardi, MDKalamazoo, MI 490071881664324
- Paula Lunde, MDKalamazoo, MI 490071659341121
Common questions
What is Karen Christine Alcaraz, M.D.'s NPI number?
Karen Christine Alcaraz, M.D.'s National Provider Identifier (NPI) is 1922199900, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Christine Alcaraz, M.D. located?
The NPPES record lists a practice address at 601 John St, Kalamazoo, MI, 49007. Phone: (269) 341-8481. Providers update this record themselves, so call before visiting.
How can I verify Karen Christine Alcaraz, M.D.'s license?
NPPES lists Michigan license number 4301094577, 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 Karen Christine Alcaraz, M.D. prescribe under Medicare Part D?
In 2024, Karen Christine Alcaraz, M.D. had 329 Medicare Part D claims for 145 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Karen Christine Alcaraz, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.