NPPES file of Aug 9, 2026

Wajahat Hussain Khan, M.D.

Sleep Medicine (Internal Medicine) Physician · Flemington, NJ

Wajahat Hussain Khan, M.D. is a sleep medicine (internal medicine) physician with a practice address in Flemington, New Jersey, and NPI 1932426905, issued on Apr 29, 2010. Check the license (New Jersey 25MA08700100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1932426905
Name
Wajahat Hussain Khan
Credential
M.D.
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
25MA08700100 NJ
Self-reported in NPPES; status is on the state search
Practice location
6 Sand Hill RD Ste 202, Flemington, NJ 08822
Phone
(908) 237-4080
Enumerated
Apr 29, 2010
Record last updated
Feb 25, 2025
Fax
(908) 237-1749
Medicare enrollment
Enrolled (PECOS I20110824000340); 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 6 Sand Hill RD Ste 202

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

  1. John Gorski, M.D.Pulmonary Disease Physician1760877518
  2. Hannah Klein, M.D. PH.D.Neurology Physician1811250418
  3. Marylou Nace, CNPPulmonary Disease Physician1528244944
  4. Oleksandr Pistun, MDPulmonary Disease Physician1629374533
  5. Shrey Shah, MDPulmonary Disease Physician1720441934

Verify Wajahat Hussain Khan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA08700100
    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 New Jersey license search

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97% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

15 Medicare Part D claims, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.

  1. Wajahat Khan15
  2. Specialty average585

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): 80.5 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 score82.9
  2. Costout of 100 · 30%52.1
  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: $242.76

11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wajahat Khan$242.76
  2. Specialty average$3,724.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Hunterdon Specialty CareFlemington, NJ
  2. Rwjbh Observation Associates LLCToms River, NJ

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

Wajahat Hussain Khan among 27 sleep medicine (internal medicine) physician records in New Jersey

Wajahat Hussain Khan, M.D. is one of 27 sleep medicine (internal medicine) physician records with a practice address in New Jersey. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 74% of them.

  • NPI issued2010 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2007 · median 2002 among the 22 with a school on file
  • Record last updated2025 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in New Jersey

There are 27 sleep medicine (internal medicine) physician records in New Jersey.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Nehal Mehta, MDBridgewater, NJ 088071679676266
  2. Prashant Patel, MDBridgewater, NJ 088071982806915
  3. Rashmi Aurora, MDNew Brunswick, NJ 089011699794719
  4. Fareeha Hafeez, MDTrenton, NJ 086901285981340
  5. Marcella Frank, DOHamilton, NJ 086191083611255
  6. Swetha Voddi, MDHamilton, NJ 086191033245311
  7. Subooha Zafar, MDHamilton, NJ 086191902858665
  8. Martin Levinson, MDWoodbury, NJ 080971699715946

Common questions

What is Wajahat Hussain Khan, M.D.'s NPI number?

Wajahat Hussain Khan, M.D.'s National Provider Identifier (NPI) is 1932426905, issued on Apr 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Wajahat Hussain Khan, M.D. located?

The NPPES record lists a practice address at 6 Sand Hill RD Ste 202, Flemington, NJ, 08822. Phone: (908) 237-4080. Providers update this record themselves, so call before visiting.

How can I verify Wajahat Hussain Khan, M.D.'s license?

NPPES lists New Jersey license number 25MA08700100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Wajahat Hussain Khan, M.D. prescribe under Medicare Part D?

In 2024, Wajahat Hussain Khan, M.D. had 15 Medicare Part D claims; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

What is Wajahat Hussain Khan, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.5 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.