Quick answers
- Does Varun H. Chauhan accept Medicare assignment?
- Yes. Medicare's clinician data says Varun H. Chauhan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Varun H. Chauhan see?
- In 2024, CMS data shows 722 Original Medicare patients and 10,077 services for Varun H. Chauhan. This counts Original Medicare only and measures volume, not quality.
- What is Varun H. Chauhan's NPI number?
- 1669890612. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Varun H. Chauhan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 722 |
|---|---|
| Services billed to Medicare | 10,077 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)8,800 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)329 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)298 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)158 services
- Measurement of brain wave activity (eeg), 61-119 minutes (95813)90 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease39%
- Anxiety38%
- Diabetes35%
Hospitals where Varun H. Chauhan works
Medicare's Facility Affiliation Data lists Varun H. Chauhan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- INTEGRIS Baptist Medical Center, IncOklahoma City, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370028
- INTEGRIS Health Enid HospitalEnid, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370016
- INTEGRIS Health Ponca CityPonca City, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370006
- Integris Health Woodward HospitalWoodward, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370002
- St Mary's Regional Medical CenterEnid, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370026
Practice locations
Addresses where Varun H. Chauhan is enrolled with Medicare (CMS data updated October 2, 2026).
- 2821 N Van Buren St A, INTEGRIS Specialty Care of EnidEnid, OK 73703 (580) 213‑9799
- 2821 N Van Buren St BEnid, OK 73703
- 3400 NW Expressway, Suite 500Oklahoma City, OK 73112 (405) 945‑4589
- 600 S Monroe StEnid, OK 73701
Group practices
Medicare enrollment lists Varun H. Chauhan as a member of this group (CMS data updated October 2, 2026).
- INTEGRIS Ambulatory Care Corporation685 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Other clinicians in INTEGRIS Ambulatory Care Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669890612 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians