Michael Kallen, M.D.
NPI 1013207182 · Hematology (Pathology) Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Kallen, M.D. is a Hematology (Pathology) Physician provider in Baltimore, MD (NPI 1013207182).
Provider details
- NPI number
- 1013207182
- Entity type
- Individual
- Primary specialty
- Hematology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D83267 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,504 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 521 | $27 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 224 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 116 | $34 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 106 | $12 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 95 | $12 |
| Bone Marrow, Smear Interpretation85097 | 87 | $47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,649 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 24507 Starlight LnWest Hills, CA 91307-3833Phone: (818) 307-4962
Registry dates
- Enumerated
- 2011-04-11
- Last updated
- 2018-12-15
Frequently asked questions
- What is Michael Kallen's NPI number?
- Michael Kallen's National Provider Identifier (NPI) is 1013207182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Kallen's specialty?
- Michael Kallen is listed in the NPPES registry with a primary specialty of Hematology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Kallen located?
- Michael Kallen's practice location on file with NPPES is 401 N Broadway St, Baltimore, MD 21287-0019.
- What is Michael Kallen's phone number?
- The practice phone number listed in the NPPES registry for Michael Kallen is (410) 955-3580.
- Does Michael Kallen accept Medicare?
- Michael Kallen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Kallen's NPI active?
- Yes — Michael Kallen's NPI (1013207182) is active in the NPPES registry as of the last update on 2018-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.