Karl Marku, MD
NPI 1841490232 · Psychiatry Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Marku, MD is a Psychiatry Physician provider in Scottsdale, AZ (NPI 1841490232).
Provider details
- NPI number
- 1841490232
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 42607 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 71 | 18 |
| Sertraline Hcl | 63 | 14 |
| Lamotrigine | 53 | 14 |
| Buspirone Hcl | 52 | 12 |
| Bupropion Hclbrand: Bupropion Xl | 42 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 38 | — |
| Fluoxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-23
- Last updated
- 2016-08-29
Frequently asked questions
- What is Karl Marku's NPI number?
- Karl Marku's National Provider Identifier (NPI) is 1841490232, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Marku's specialty?
- Karl Marku is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Marku located?
- Karl Marku's practice location on file with NPPES is 3666 N Miller Rd, Scottsdale, AZ 85251-4599.
- What is Karl Marku's phone number?
- The practice phone number listed in the NPPES registry for Karl Marku is (480) 481-0858.
- Does Karl Marku accept Medicare?
- Karl Marku is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Marku's NPI active?
- Yes — Karl Marku's NPI (1841490232) is active in the NPPES registry as of the last update on 2016-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.