Maria Picken, MD PHD
NPI 1588643670 · Anatomic Pathology Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Picken, MD PHD is a Anatomic Pathology Physician provider in Maywood, IL (NPI 1588643670).
Provider details
- NPI number
- 1588643670
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 36077578 (IL)
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
1,419 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 328 | $36 |
| Antibody Evaluation, Each Additional Single Antibody Stain Procedure88350 | 180 | $28 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 179 | $27 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 160 | $79 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 97 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Each Multiplex Procedure88344 | 92 | $37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-17
- Last updated
- 2021-05-13
- Certified
- 2021-05-13
Frequently asked questions
- What is Maria Picken's NPI number?
- Maria Picken's National Provider Identifier (NPI) is 1588643670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Picken's specialty?
- Maria Picken is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Picken located?
- Maria Picken's practice location on file with NPPES is 2160 S First Ave, Maywood, IL 60153.
- What is Maria Picken's phone number?
- The practice phone number listed in the NPPES registry for Maria Picken is (708) 216-3250.
- Does Maria Picken accept Medicare?
- Maria Picken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Picken's NPI active?
- Yes — Maria Picken's NPI (1588643670) is active in the NPPES registry as of the last update on 2021-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.