Charlotte O. Ladd, M.D., PH.D.
Psychiatry Physician · Madison, WI
Charlotte O. Ladd, M.D., PH.D. is a psychiatry physician with a practice address in Madison, Wisconsin, and NPI 1225087091, issued on May 9, 2006. Check the license (Wisconsin 48134, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Charlotte O. Ladd
- Credential
- M.D., PH.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 48134 WI
Self-reported in NPPES; status is on the state search - Practice location
- 6001 Research Park Blvd, Madison, WI 53719
- Phone
- (608) 263-6100
- Enumerated
- May 9, 2006
- Record last updated
- Dec 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20251202001870); may accept Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →
Also registered at 6001 Research Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jerrold Adkins, DOForensic Psychiatry Physician1548271844
- Rebecca Alberts, LPCProfessional Counselor1619096328
- Joshua Babu, MDPsychiatry Physician1376777151
- Nancy Barklage, MDPsychiatry Physician1356317515
- Beau Batty, DOPsychiatry Physician1194388330
- Amy Bauer, LPCProfessional Counselor1104940360
Verify Charlotte O. Ladd in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 48134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average psychiatry physician in 2024
2,356 Medicare Part D claims for 202 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 12 claims were for opioids.
Most prescribed
- Clonazepam160 claims
- Trazodone Hcl123 claims
- Bupropion Xl99 claims
- Quetiapine Fumarate92 claims
- Olanzapine89 claims
- Lorazepam88 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.
Charlotte O. Ladd among 929 psychiatry physician records in Wisconsin
Charlotte O. Ladd, M.D., PH.D. is one of 929 psychiatry physician records with a practice address in Wisconsin. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 50% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2003 · median 2005 among the 439 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
232 psychiatry physician records list a practice address in Madison
They are 232 of the 15,014 NPPES records with a practice address in Madison, and 929 psychiatry physician records in Wisconsin.
All 929 in Wisconsin → Every provider in Madison → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Nancy Barklage, MDMadison, WI 537191356317515
- William Bucknam, MDMadison, WI 537191548206360
- Randall Cullen, M.D.Madison, WI 537191255368346
- Ronald Diamond, MDMadison, WI 537191336115591
- Burr Eichelman, MD PHDMadison, WI 537191689640757
- Alexander Fritz, D.O.Madison, WI 537191114976883
- Carl Getto, MDMadison, WI 537191598731671
- Ned Kalin, MDMadison, WI 537191447219928
Common questions
What is Charlotte O. Ladd, M.D., PH.D.'s NPI number?
Charlotte O. Ladd, M.D., PH.D.'s National Provider Identifier (NPI) is 1225087091, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charlotte O. Ladd, M.D., PH.D. located?
The NPPES record lists a practice address at 6001 Research Park Blvd, Madison, WI, 53719. Phone: (608) 263-6100. Providers update this record themselves, so call before visiting.
How can I verify Charlotte O. Ladd, M.D., PH.D.'s license?
NPPES lists Wisconsin license number 48134, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charlotte O. Ladd, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Charlotte O. Ladd, M.D., PH.D. had 2,356 Medicare Part D claims for 202 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.