CATHY O'NEIL (M.D., M.P.H.) – Family Medicine Physician, NPI 1003955279
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
927 HOSPITALIST in CO
Provider Addresses for CATHY O'NEIL (M.D., M.P.H.)
9085 E MINERAL CIR
STE 110
CENTENNIAL, CO 801123462
Phone: (303) 485-4243
Fax: (303) 485-4240
Type: Mailing
2030 MOUNTAIN VIEW AVE
SUITE 250
LONGMONT, CO 805013178
Phone: (303) 485-4243
Fax: (303) 485-4240
Type: Location
PO BOX 800022
KANSAS CITY, MO 641800022
Phone: (800) 953-0104
Fax: (303) 765-6670
Type: Mailing
1600 SW ARCHER RD
GAINESVILLE, FL 326103178
Phone: (352) 392-0140
Type: Location
1950 Mountain View Ave
Longmont, CO 805013129
Phone: (303) 485-3066
Fax: (303) 485-3060
Type: Location
100 Health Park Dr
Louisville, CO 800279583
Phone: (303) 673-1000
Fax: (303) 673-1204
Type: Location
2030 Mountain View Ave
Suite 250
Longmont, CO 805013178
Phone: (303) 485-4243
Fax: (303) 485-4240
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $33.
Total Amount is formed as General ($33) + Research ($0) + Ownership ($0) = $33.
Last reported payment date: 2023-04-25 • Largest payer in this snapshot: Boston Scientific Corporation ($33).
Total Amount
$33
General + Research + Ownership
Payments
1
Total payment records
General Amount
$33
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $33 |
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: 2024-08-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 5 Medicare enrollment records; no due dates published yet.
Enrollment records
5
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 |
|---|---|---|---|---|
| I20041228000635 | I | Hospitalist | CO | TBD |
| I20230403000311 | I | Family Practice | MN | TBD |
| I20231028000574 | I | Family Practice | NM | TBD |
| I20231107003857 | I | Hospitalist | OK | TBD |
| I20240805002342 | I | Family Practice | FL | 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 |
|---|---|---|---|---|
| 99239 | Hospital discharge day management, more than 30 minutes | 137 | 130 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 123 | 70 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 52 | 51 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 45 | 32 | $0 |
| 99307 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | 42 | 33 | $0 |
Insurance plans in this area (ZIP 80112)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CO | |
| Radiation Oncology | TX | |
| - | CO | |
| Cardiovascular Disease (Cardiology) | NM | |
| Family Practice | OK | |
| Internal Medicine | CO | |
| - | IL | |
| H E M A T O L O G Y/ O N C O L O G Y | TX | |
| Internal Medicine | PA | |
| Nurse Practitioner | CO |
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