Richard Hammer, MD
NPI 1750342218 · Hematology (Pathology) Physician · Columbia, MO
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Hammer, MD is a Hematology (Pathology) Physician provider in Columbia, MO (NPI 1750342218).
Provider details
- NPI number
- 1750342218
- Entity type
- Individual
- Primary specialty
- Hematology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2013013226 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,209 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 | 522 | $27 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 172 | $12 |
| Blood Smear Interpretation By Physician With Written Report85060 | 105 | $23 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 99 | $36 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 16 Or More Markers88189 | 82 | $81 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 69 | $34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,173 across 4 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
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2024-06-06
- Certified
- 2024-06-06
Frequently asked questions
- What is Richard Hammer's NPI number?
- Richard Hammer's National Provider Identifier (NPI) is 1750342218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Hammer's specialty?
- Richard Hammer is listed in the NPPES registry with a primary specialty of Hematology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Hammer located?
- Richard Hammer's practice location on file with NPPES is 1 Hospital Dr, Columbia, MO 65212-0001.
- What is Richard Hammer's phone number?
- The practice phone number listed in the NPPES registry for Richard Hammer is (573) 882-1201.
- Does Richard Hammer accept Medicare?
- Richard Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Hammer's NPI active?
- Yes — Richard Hammer's NPI (1750342218) is active in the NPPES registry as of the last update on 2024-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.