Johanna Lynn Rosenthal, M.D.
Neurology Physician · Fullerton, CA
Johanna Lynn Rosenthal, M.D. is a neurology physician with a practice address in Fullerton, California, and NPI 1881741247, issued on Jan 5, 2007. Check the license (California G-40976, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Johanna Lynn Rosenthal
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- G-40976 CA
G40976 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1440 N Harbor Blvd Ste 900, Fullerton, CA 92835
- Phone
- (714) 213-0492
- Enumerated
- Jan 5, 2007
- Record last updated
- Mar 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (714) 870-0002
- Medicare enrollment
- Enrolled (PECOS I20040102000747); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 1440 N Harbor Blvd Ste 900
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kymberly CruzMarriage & Family Therapist1538779905
- April Delgadillo-Jolley, LMFTMarriage & Family Therapist1619532249
- Michelle Harriman, PSY.D.Clinical Psychologist1588799167
Verify Johanna Lynn Rosenthal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G-40976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average neurology physician in 2024
165 Medicare Part D claims for 15 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Tysabri26 claims
- Privigen15 claims
- Baclofen13 claims
- Kcl-D5w-0.45% Nacl13 claims
- Methylprednisolone Sodium Succ13 claims
- Tolterodine Tartrate Er13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,005.73
29 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- California University OF Science And MedicineColton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johanna Lynn Rosenthal among 2,339 neurology physician records in California
Johanna Lynn Rosenthal, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1978 · median 2006 among the 1,628 with a school on file
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Fullerton → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Anthony Ciabarra, M.D., PH.D.Fullerton, CA 928351942374392
- Jack Florin, MDFullerton, CA 928351912990656
- Johnson Moon, M.D.Fullerton, CA 928351457407579
- Manpreet Multani, MDFullerton, CA 928351679706295
- Scott Turner, MDFullerton, CA 928351346416575
- Parampreet Walia, M.D.Fullerton, CA 928351669716593
- Lowell Nelson, M.D., PH.D.Fullerton, CA 928331265502215
- Thomas Ela, M.D.Fullerton, CA 928311831184795
Common questions
What is Johanna Lynn Rosenthal, M.D.'s NPI number?
Johanna Lynn Rosenthal, M.D.'s National Provider Identifier (NPI) is 1881741247, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Johanna Lynn Rosenthal, M.D. located?
The NPPES record lists a practice address at 1440 N Harbor Blvd Ste 900, Fullerton, CA, 92835. Phone: (714) 213-0492. Providers update this record themselves, so call before visiting.
How can I verify Johanna Lynn Rosenthal, M.D.'s license?
NPPES lists California license number G-40976, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Johanna Lynn Rosenthal, M.D. prescribe under Medicare Part D?
In 2024, Johanna Lynn Rosenthal, M.D. had 165 Medicare Part D claims for 15 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.