Doctor profile · Federal record

Dr. Johanna Rosenthal, M.D.

Neurology Physician (CMS: Neurology) · Neurology Physician · Fullerton, CA

  • NPI 1881741247
  • Accepts Medicare
  • 48 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1440 N Harbor Blvd Ste 900
Fullerton, CA 928354122
(714) 213-0492
fax (714) 870-0002

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
March 28, 2018
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (2)
California #G-40976 · California #G40976

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881741247. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
167
Distinct HCPCS
3
Medicare allowed
$26,439
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 82 44 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 47 44 $176
99291 Critical care, first 30-74 minutes 38 36 $216

In context: peer comparison

Among 1 peers in Fullerton Neurology Physician, average services per provider: 55. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,006
Transactions
29
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Biogen, INC. 13 $411.48
Alexion Pharmaceuticals, INC. 4 $185.69
Argenx US, INC. 1 $107.06
Genentech USA, INC. 3 $85.20
Ucb, INC. 2 $74.13
Tg Therapeutics, INC. 3 $73.56
Sk Life Science, INC. 2 $50.24
Mitsubishi Tanabe Pharma America, INC. 1 $18.37

By nature of payment

Food and Beverage
$906
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
43
Patients
0
Total drug cost
$155,782
Drug Type Claims Patients Total cost
Tysabri (Natalizumab) Brand 18 0 $155,501
Levetiracetam Generic 13 0 $202
Gabapentin Generic 12 0 $79

Frequently asked questions

Auto-generated from federal data
What is Dr. Johanna Rosenthal's medical specialty?
Dr. Johanna Rosenthal practices Neurology Physician in Fullerton, CA.
Where does Dr. Johanna Rosenthal practice?
Dr. Johanna Rosenthal practices at 1440 N Harbor Blvd Ste 900, Fullerton, CA 928354122. Office phone: 7142130492.
What is Dr. Johanna Rosenthal's NPI?
Dr. Johanna Rosenthal's National Provider Identifier (NPI) is 1881741247, issued by NPPES.
Does Dr. Johanna Rosenthal accept Medicare assignment?
Yes. Dr. Johanna Rosenthal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johanna Rosenthal commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.