DR. STEVEN EDWARD KOSSMAN (M.D.) – Hematology & Oncology Physician, NPI 1477628634
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. STEVEN EDWARD KOSSMAN (M.D.)
5555 RESERVOIR DR STE 306
SAN DIEGO, CA 921205178
Phone: (619) 287-9910
Fax: (619) 287-3526
Type: Location
Health Center Drive, Birdland, Linda Vista, San Diego, San Diego County, California, 92133, United States
SUITE 102
SAN DIEGO, CA 921232773
Phone: (619) 637-7888
Fax: (619) 637-7887
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $14.
Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.
Last reported payment date: 2023-11-08 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($14).
Total Amount
$14
General + Research + Ownership
Payments
1
Total payment records
General Amount
$14
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $14 |
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: 2010-08-20
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 |
|---|---|---|---|---|
| I20100820000948 | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 2,580 | 24 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 606 | 322 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 476 | 202 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 143 | 33 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 79 | 52 | $0 |
Insurance plans in this area (ZIP 92120)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | CA | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 646 | 48 |
| HEMATOLOGY/ONCOLOGY | CA | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 22 | 19 |
| HEMATOLOGY/ONCOLOGY | CA | 96415 | Infusion of chemotherapy into a vein | 190 | 33 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Internal Medicine, Hematology/Oncology | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Medical Oncology | IL | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Hematology/Oncology, Internal Medicine, Medical Oncology | CA |
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