DR. BENJAMIN MICHAEL HEYMAN (M.D.) – Hematology (Internal Medicine) Physician, NPI 1982995809
Hematology (Internal Medicine) Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
Provider Addresses for DR. BENJAMIN MICHAEL HEYMAN (M.D.)
PO BOX 232410
SAN DIEGO, CA 921932410
Phone:
Type: Mailing
1000 Fivepoint Ste 1000B
Irvine, CA 926182377
Phone: (800) 826-4673
Type: Location
1500 Duarte Rd
Duarte, CA 910103012
Phone: (800) 826-4673
Type: Location
1000 FIVEPOINT STE 1000A
IRVINE, CA 926182377
Phone: (949) 671-4673
Type: Location
2301 ERWIN RD
DURHAM, NC 277054699
Phone: (201) 314-7185
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 22 Open Payments records for all available years, with a total value of $9,772.
Total Amount is formed as General ($8,700) + Research ($1,072) + Ownership ($0) = $9,772.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Regeneron Pharmaceuticals, Inc. ($2,986).
Total Amount
$9,772
General + Research + Ownership
Payments
22
Total payment records
General Amount
$8,700
General payments
Research Amount
$1,072
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Pharmaceuticals, Inc. | $2,986 |
| BeiGene USA, Inc. | $2,824 |
| AstraZeneca Pharmaceuticals LP | $2,290 |
| Genmab A/S | $1,072 |
| SOBI, INC | $200 |
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: 2018-11-20
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 |
|---|---|---|---|---|
| I20181120003175 | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 250 | 151 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 111 | 46 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 103 | 61 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 91 | 31 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 52 | 51 | $0 |
Insurance plans in this area (ZIP 92193)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| - | CA | |
| Surgical Oncology, General Surgery | MI | |
| - | CA | |
| - | CA | |
| - | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Emergency Medicine, Medical Toxicology | CA |
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