Mark Shuldberg, D.O.
NPI 1881905164 · Anatomic Pathology & Clinical Pathology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Shuldberg, D.O. is a Anatomic Pathology & Clinical Pathology Physician provider in Saint Louis, MO (NPI 1881905164).
Provider details
- NPI number
- 1881905164
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2013010528 (MO)
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 tenure28% of score
15 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
1,110 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 | 817 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 75 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 53 | $34 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 51 | $11 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 45 | $12 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 22 | $12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-01
- Last updated
- 2016-05-02
Frequently asked questions
- What is Mark Shuldberg's NPI number?
- Mark Shuldberg's National Provider Identifier (NPI) is 1881905164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Shuldberg's specialty?
- Mark Shuldberg is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Shuldberg located?
- Mark Shuldberg's practice location on file with NPPES is 3635 Vista Ave, Saint Louis, MO 63110-2539.
- What is Mark Shuldberg's phone number?
- The practice phone number listed in the NPPES registry for Mark Shuldberg is (314) 577-8782.
- Does Mark Shuldberg accept Medicare?
- Mark Shuldberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Shuldberg's NPI active?
- Yes — Mark Shuldberg's NPI (1881905164) is active in the NPPES registry as of the last update on 2016-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.