Douglas Flieder, M.D.
NPI 1356368211 · Anatomic Pathology & Clinical Pathology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Flieder, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Philadelphia, PA (NPI 1356368211).
Provider details
- NPI number
- 1356368211
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD424507 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,084 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,118 | $37 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 369 | $80 |
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 204 | $83 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 161 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 58 | $34 |
| Pathology Examination of Tissue Using a Microscope, High Complexity88309 | 50 | $142 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
Registry dates
- Enumerated
- 2006-07-16
- Last updated
- 2018-04-17
Frequently asked questions
- What is Douglas Flieder's NPI number?
- Douglas Flieder's National Provider Identifier (NPI) is 1356368211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Flieder's specialty?
- Douglas Flieder is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Flieder located?
- Douglas Flieder's practice location on file with NPPES is 333 Cottman Avenue, Philadelphia, PA 19111.
- What is Douglas Flieder's phone number?
- The practice phone number listed in the NPPES registry for Douglas Flieder is (215) 728-6900.
- Does Douglas Flieder accept Medicare?
- Douglas Flieder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Flieder's NPI active?
- Yes — Douglas Flieder's NPI (1356368211) is active in the NPPES registry as of the last update on 2018-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.