MARK ROBERT HANCOCK (M.D.) – Hematology & Oncology Physician, NPI 1003954637
Hematology & Oncology Physician
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NPPES metrics only — not quality of care.
24 MEDICAL ONCOLOGY in MT
Provider Addresses for MARK ROBERT HANCOCK (M.D.)
PO BOX 110429
AURORA, CO 800420429
Phone: (303) 493-7000
Type: Mailing
PO BOX 844658
DALLAS, TX 752844658
Phone: (800) 994-0371
Type: Mailing
931 HIGHLAND BLVD STE 3130
BOZEMAN, MT 597156914
Phone: (406) 414-3130
Type: Location
Hays Medical Center, 2220, Canterbury Drive, Hays, Ellis County, Kansas, 67601, United States
HAYS, KS 676012370
Phone: (785) 623-5774
Fax: (785) 623-5775
Type: Location
810 W Highway 71
Marble Falls, TX 786548602
Phone: (830) 201-8008
Type: Location
915 HIGHLAND BLVD
BOZEMAN, MT 597156902
Phone: (406) 414-1720
Fax: (406) 414-1071
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 138 Open Payments records for all available years, with a total value of $2,891.
Total Amount is formed as General ($2,891) + Research ($0) + Ownership ($0) = $2,891.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Janssen Biotech, Inc. ($708).
Total Amount
$2,891
General + Research + Ownership
Payments
138
Total payment records
General Amount
$2,891
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $708 |
| PFIZER INC. | $281 |
| AstraZeneca Pharmaceuticals LP | $220 |
| Lilly USA, LLC | $216 |
| E.R. Squibb & Sons, L.L.C. | $165 |
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: 2024-12-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20220126001638 | I | Hematology/Oncology | MT | TBD |
| I20241209001067 | I | Medical Oncology | TX | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 203 | 102 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 163 | 95 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 57 | 57 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 23 | 21 | $0 |
Insurance plans in this area (ZIP 80042)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MT | |
| Physician Assistant | MT | |
| Family Practice | MT | |
| Family Practice | TX | |
| Physician Assistant | MT | |
| Family Practice | MT | |
| Nurse Practitioner | MD | |
| Physician Assistant | NC | |
| Emergency Medicine | AZ | |
| P S Y C H I A T R Y | MT |
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