DR. RICHARD D HAMMER (MD) – Hematology (Pathology) Physician, NPI 1750342218
Hematology (Pathology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
406 PATHOLOGY in MO
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Provider Addresses for DR. RICHARD D HAMMER (MD)
Jack in the Box, South 18th Street, Kansas City, Wyandotte County, Kansas, 66102, United States
KANSAS CITY, MO 641843966
Phone: (573) 884-3300
Fax: (573) 884-0943
Type: Mailing
University Hospital, 1, Hospital Drive, Columbia, Boone County, Missouri, 65212, United States
COLUMBIA, MO 652120001
Phone: (573) 882-1201
Fax: (573) 884-5612
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $13,101.
Total Amount is formed as General ($13,101) + Research ($0) + Ownership ($0) = $13,101.
Last reported payment date: 2024-11-01 • Largest payer in this snapshot: ROCHE MOLECULAR SYSTEMS, INC. ($8,791).
Total Amount
$13,101
General + Research + Ownership
Payments
25
Total payment records
General Amount
$13,101
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ROCHE MOLECULAR SYSTEMS, INC. | $8,791 |
| AstraZeneca UK Limited | $2,118 |
| Lilly USA, LLC | $2,100 |
| Roche Diagnostics Corporation | $65 |
| Siemens Medical Solutions USA, Inc. | $28 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2013-07-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20130708000217 | I | Pathology | MO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 406 | 49 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 138 | 50 | $0 |
| 85060 | Blood smear interpretation by physician with written report | 116 | 105 | $0 |
| 88189 | Flow cytometry technique for dna or cell analysis, 16 or more markers | 89 | 75 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 85 | 40 | $0 |
Insurance plans in this area (ZIP 64184)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | PA | |
| General Surgery | MO | |
| Family Practice | MO | |
| Psychiatry, Neurology | MO | |
| - | MO | |
| - | MO | |
| - | OH | |
| Family Practice | MO | |
| - | WA | |
| Diagnostic Radiology | MO |
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