NPPES file of Aug 9, 2026

Isabel Cristina Mendez, M.D.

Internal Medicine Physician · Milwaukee, WI

Isabel Cristina Mendez, M.D. is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1578944989, issued on Jun 11, 2015. Check the license (Wisconsin 69430, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1578944989
Name
Isabel Cristina Mendez
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
69430 WI
125067506 IL
Self-reported in NPPES; status is on the state search
Practice location
2801 W Kinnickinnic River Pkwy Ste 170, Milwaukee, WI 53215
Phone
(414) 385-8600
Enumerated
Jun 11, 2015
Record last updated
Nov 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
10079409 WI
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 2801 W Kinnickinnic River Pkwy Ste 170

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

  1. Manish Kohli, MDFamily Medicine Physician1710072582

Verify Isabel Cristina Mendez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 69430
    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 Wisconsin license search

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

203 Medicare Part D claims for 80 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.

  1. Isabel Mendez203
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium32 claims
  2. Metformin Hcl21 claims
  3. Lisinopril18 claims
  4. Amlodipine Besylate12 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.

Isabel Cristina Mendez among 2,078 internal medicine physician records in Wisconsin

Isabel Cristina Mendez, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.

  • NPI issued2015 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2021 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

382 internal medicine physician records list a practice address in Milwaukee

They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Richard Battiola, M.D.Milwaukee, WI 532151194709964
  2. Edward Chang, MDMilwaukee, WI 532151669461141
  3. William Chung, MDMilwaukee, WI 532151598754723
  4. Maritza Laguna, M.D.Milwaukee, WI 532151417928946
  5. Don Lee, M.D.Milwaukee, WI 532151336135375
  6. Marshal Mirviss, M.D.Milwaukee, WI 532151205820958
  7. Colleen Nichols, M.D.Milwaukee, WI 532151174507933
  8. Aijaz Noor, M.D.Milwaukee, WI 532151861476624

Common questions

What is Isabel Cristina Mendez, M.D.'s NPI number?

Isabel Cristina Mendez, M.D.'s National Provider Identifier (NPI) is 1578944989, issued on Jun 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Isabel Cristina Mendez, M.D. located?

The NPPES record lists a practice address at 2801 W Kinnickinnic River Pkwy Ste 170, Milwaukee, WI, 53215. Phone: (414) 385-8600. Providers update this record themselves, so call before visiting.

How can I verify Isabel Cristina Mendez, M.D.'s license?

NPPES lists Wisconsin license number 69430, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Isabel Cristina Mendez, M.D. prescribe under Medicare Part D?

In 2024, Isabel Cristina Mendez, M.D. had 203 Medicare Part D claims for 80 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.