JOHANNA LYNN ROSENTHAL (M.D.) – Neurology Physician, NPI 1881741247
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,477 NEUROLOGY in CA
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Provider Addresses for JOHANNA LYNN ROSENTHAL (M.D.)
900, North Harbor Boulevard, Downtown Fullerton, Fullerton, Orange County, California, 92832, United States
FULLERTON, CA 928354122
Phone: (714) 213-0492
Fax: (714) 870-0002
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 53 Open Payments records for all available years, with a total value of $1,719.
Total Amount is formed as General ($1,719) + Research ($0) + Ownership ($0) = $1,719.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Biogen, Inc. ($954).
Total Amount
$1,719
General + Research + Ownership
Payments
53
Total payment records
General Amount
$1,719
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Biogen, Inc. | $954 |
| Alexion Pharmaceuticals, Inc. | $186 |
| ARGENX US, INC. | $148 |
| Genentech USA, Inc. | $85 |
| UCB, Inc. | $74 |
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: 2004-01-02
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 |
|---|---|---|---|---|
| I20040102000747 | I | Neurology | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 82 | 44 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 47 | 44 | $0 |
| 99291 | Critical care, first 30-74 minutes | 38 | 36 | $0 |
Insurance plans in this area (ZIP 92835)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| N E U R O L O G Y | CA | |
| N E U R O L O G Y | CA | |
| Family Practice, Neurology | CA | |
| N E U R O L O G Y | IL | |
| N E U R O L O G Y | CA | |
| N E U R O L O G Y | CA | |
| N E U R O L O G Y | GA |
Reviews
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