DANIEL ISAAC (D.O.) – Hematology & Oncology Physician, NPI 1326486416
Hematology & Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
476 HEMATOLOGY/ONCOLOGY in MI
Provider Addresses for DANIEL ISAAC (D.O.)
804 SERVICE RD STE A109B
EAST LANSING, MI 488247015
Phone: (517) 975-9500
Fax: (517) 975-9520
Type: Mailing
401 W GREENLAWN AVE
LANSING, MI 489102819
Phone: (517) 975-9500
Type: Location
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 495032562
Phone: (616) 486-5933
Type: Location
3520 Forest Rd
Lansing, MI 489103720
Phone: (517) 975-9500
Fax: (517) 975-9520
Type: Location
804 SERVICE RD STE A202
EAST LANSING, MI 488247015
Phone: (517) 975-9500
Fax: (517) 975-9520
Type: Mailing
3520 FOREST RD
LANSING, MI 489103720
Phone: (517) 975-9500
Fax: (517) 975-9520
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $1,472.
Total Amount is formed as General ($1,472) + Research ($0) + Ownership ($0) = $1,472.
Last reported payment date: 2024-07-11 • Largest payer in this snapshot: PFIZER INC. ($1,451).
Total Amount
$1,472
General + Research + Ownership
Payments
3
Total payment records
General Amount
$1,472
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $1,451 |
| Mirati Therapeutics, Inc. | $21 |
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: 2019-07-17
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 |
|---|---|---|---|---|
| I20190717000202 | I | Hematology/Oncology | MI | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 227 | 94 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 74 | 60 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 25 | 25 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 21 | 21 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 14 | 13 | $0 |
Insurance plans in this area (ZIP 48824)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| - | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| - | MI | |
| Nurse Practitioner | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| - | MI | |
| Cardiovascular Disease (Cardiology) | MI | |
| - | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI |
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