Martha Karlstad, M.D.
NPI 1457589954 · Psychiatry Physician · Viroqua, WI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Karlstad, M.D. is a Psychiatry Physician provider in Viroqua, WI (NPI 1457589954).
Provider details
- NPI number
- 1457589954
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- LL31772 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 77 |
| Lorazepam | 58 |
| Escitalopram Oxalate | 56 |
| Clonidine Hcl | 50 |
| Gabapentin | 42 |
| Sertraline Hcl | 37 |
| Trazodone Hcl | 27 |
| Duloxetine Hcl | 26 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-23
- Last updated
- 2018-05-30
Frequently asked questions
- What is Martha Karlstad's NPI number?
- Martha Karlstad's National Provider Identifier (NPI) is 1457589954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Karlstad's specialty?
- Martha Karlstad is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Martha Karlstad located?
- Martha Karlstad's practice location on file with NPPES is 407 S Main St Ste 400, Viroqua, WI 54665.
- What is Martha Karlstad's phone number?
- The practice phone number listed in the NPPES registry for Martha Karlstad is (608) 637-3174.
- Does Martha Karlstad accept Medicare?
- Martha Karlstad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Karlstad's NPI active?
- Yes — Martha Karlstad's NPI (1457589954) is active in the NPPES registry as of the last update on 2018-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.