DR. AJAI CHARI (M.D.) – Hematology & Oncology Physician, NPI 1376560136
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
Provider Addresses for DR. AJAI CHARI (M.D.)
1 GUSTAVE L. LEVY PLACE, BOX 1185
MOUNT SINAI MEDICAL CENTER
NEW YORK, NY 10029
Phone: (212) 241-7873
Fax: (212) 241-3908
Type: Mailing
400 Parnassus Ave
San Francisco, CA 941432202
Phone: (415) 353-2421
Fax: (415) 353-2467
Type: Location
400 PARNASSUS AVE
SAN FRANCISCO, CA 941432202
Phone: (415) 353-2421
Fax: (415) 353-2467
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 116 Open Payments records for all available years, with a total value of $144,789.
Total Amount is formed as General ($144,789) + Research ($0) + Ownership ($0) = $144,789.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($33,544).
Total Amount
$144,789
General + Research + Ownership
Payments
116
Total payment records
General Amount
$144,789
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $33,544 |
| GENZYME CORPORATION | $32,331 |
| Octapharma USA, Inc. | $13,231 |
| E.R. Squibb & Sons, L.L.C. | $12,273 |
| GlaxoSmithKline, LLC. | $7,315 |
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: 2023-10-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20050630001135 | I | Hematology/Oncology | NY | TBD |
| I20231025000661 | I | Hematology/Oncology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 85 | 78 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 58 | 57 | $0 |
Insurance plans in this area (ZIP 10029)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | CA | |
| Hospitalist, Internal Medicine | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Clinical Social Worker | TX | |
| Family Practice | CA | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | NC |
Reviews
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