NPPES file of Aug 9, 2026

Isna Khan

Internal Medicine Physician · Oshkosh, WI

Isna Khan is an internal medicine physician with a practice address in Oshkosh, Wisconsin, and NPI 1316432529, issued on Jun 29, 2018. Check the license (Wisconsin 83901, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316432529
Name
Isna Khan
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
83901 WI
54931 KY
35.141089 OH
Self-reported in NPPES; status is on the state search
Practice location
855 N Westhaven Dr, Oshkosh, WI 54904
Phone
(920) 303-8700
Enumerated
Jun 29, 2018
Record last updated
Nov 5, 2024
Fax
(920) 456-5901
Medicaid ID
100288646 WI
Medicare enrollment
Enrolled (PECOS I20240917003329); accepts Medicare assignment
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 855 N Westhaven Dr

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

  1. Rami Abumasmah, MDHematology & Oncology Physician1972779551
  2. Abdulmajid AdamHospitalist Physician1528362258
  3. Awais Ahmed, MDGastroenterology Physician1316213481
  4. Kate Alexander, PA-CPhysician Assistant1700466414
  5. Hussein Alramini, M.D.Hospitalist Physician1497106512
  6. Ammar Alzoubi, MDInternal Medicine Physician1598773152

Verify Isna Khan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 83901
    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

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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2.0 times the Medicare Part D claims of the average internal medicine physician in 2024

6,460 Medicare Part D claims for 321 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 222 claims were for opioids.

  1. Isna Khan6,460
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium232 claims
  2. Omeprazole183 claims
  3. Gabapentin177 claims
  4. Levothyroxine Sodium168 claims
  5. Lisinopril156 claims
  6. Trazodone Hcl148 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): 85.1 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.

  1. Qualityout of 100 · 30% of the final score77.0
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $483.07

30 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Isna Khan$483.07
  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. Aurora Medical Group, Inc.Oshkosh, WI

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

Isna Khan among 2,078 internal medicine physician records in Wisconsin

Isna Khan 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 2018, is newer than 79% of them.

  • NPI issued2018 · 79% of these records are older, 19% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2015 · median 2002 among the 1,098 with a school on file
  • Record last updated2024 · 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).

25 internal medicine physician records list a practice address in Oshkosh

They are 25 of the 1,527 NPPES records with a practice address in Oshkosh, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ammar Alzoubi, MDOshkosh, WI 549041598773152
  2. Lisa Anthony, MDOshkosh, WI 549041659346773
  3. Mark Cockley, MDOshkosh, WI 549041669456422
  4. Michael Duffy, MDOshkosh, WI 549041922113182
  5. Elizabeth Kimbrough, MDOshkosh, WI 549041750366704
  6. Teresa Lee, MDOshkosh, WI 549041700871209
  7. Joseph McCausland, DOOshkosh, WI 549041558416644
  8. Denise Prehn, MDOshkosh, WI 549041992812200

Common questions

What is Isna Khan's NPI number?

Isna Khan's National Provider Identifier (NPI) is 1316432529, issued on Jun 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Isna Khan located?

The NPPES record lists a practice address at 855 N Westhaven Dr, Oshkosh, WI, 54904. Phone: (920) 303-8700. Providers update this record themselves, so call before visiting.

How can I verify Isna Khan's license?

NPPES lists Wisconsin license number 83901, 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 Isna Khan prescribe under Medicare Part D?

In 2024, Isna Khan had 6,460 Medicare Part D claims for 321 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Isna Khan's MIPS final score?

The 2023 MIPS final score is 85.1 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.