Charlotte Ladd, M.D., PH.D.
NPI 1225087091 · Psychiatry Physician · Madison, WI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlotte Ladd, M.D., PH.D. is a Psychiatry Physician provider in Madison, WI (NPI 1225087091).
Provider details
- NPI number
- 1225087091
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 48134 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
519 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 193 | $116 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 156 | $15 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 103 | $68 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 26 | $152 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 24 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 160 | 35 |
| Trazodone Hcl | 123 | 33 |
| Bupropion Hclbrand: Bupropion Xl | 99 | 25 |
| Quetiapine Fumarate | 92 | 20 |
| Olanzapine | 89 | 17 |
| Lorazepam | 88 | 19 |
| Lamotrigine | 81 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-09
- Last updated
- 2025-12-08
- Certified
- 2025-12-08
Frequently asked questions
- What is Charlotte Ladd's NPI number?
- Charlotte Ladd's National Provider Identifier (NPI) is 1225087091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlotte Ladd's specialty?
- Charlotte Ladd is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Charlotte Ladd located?
- Charlotte Ladd's practice location on file with NPPES is 6001 Research Park Blvd, Madison, WI 53719-1176.
- What is Charlotte Ladd's phone number?
- The practice phone number listed in the NPPES registry for Charlotte Ladd is (608) 263-6100.
- Does Charlotte Ladd accept Medicare?
- Charlotte Ladd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlotte Ladd's NPI active?
- Yes — Charlotte Ladd's NPI (1225087091) is active in the NPPES registry as of the last update on 2025-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.