DR. KANWARDEEP SINGH GREWAL (M.D.) – Internal Medicine Physician, NPI 1205854833
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for DR. KANWARDEEP SINGH GREWAL (M.D.)
Stockton Post Office, 401, North San Joaquin Street, Stockton, San Joaquin County, California, 95202, United States
STOCKTON, CA 952013120
Phone: (209) 468-6937
Fax: (209) 468-7042
Type: Mailing
West Hospital Road, French Camp, San Joaquin County, California, 95231, United States
FRENCH CAMP, CA 95231
Phone: (209) 468-6937
Fax: (209) 468-7042
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $345.
Total Amount is formed as General ($345) + Research ($0) + Ownership ($0) = $345.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($195).
Total Amount
$345
General + Research + Ownership
Payments
14
Total payment records
General Amount
$345
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-01-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080108000950 | I | Internal Medicine | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 373 | 153 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 87 | 60 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 75 | 75 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 57 | 57 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 16 | 13 | $0 |
Insurance plans in this area (ZIP 95201)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| A N E S T H E S I O L O G Y | IN | |
| A N E S T H E S I O L O G Y | CA | |
| Certified Registered Nurse Anesthetist (Crna) | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| Nurse Practitioner | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA |
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