DR. NATHANIEL JOHN MILLER (D.O.) – Physical Medicine & Rehabilitation Physician, NPI 1154571867
Physical Medicine & Rehabilitation Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
272 PHYSICAL MEDICINE AND REHABILITATION in CO
Provider Addresses for DR. NATHANIEL JOHN MILLER (D.O.)
1001 W Mineral Ave
Littleton, CO 801204507
Phone: (303) 334-1100
Type: Location
325 S PARKSIDE DR
COLORADO SPRINGS, CO 809103134
Phone: (720) 593-6523
Type: Location
West Mineral Avenue, Littleton, Arapahoe County, Colorado, 80120, United States
LITTLETON, CO 801204507
Phone: (303) 334-1100
Type: Location
4930, South Clarkson Street, Englewood, Arapahoe County, Colorado, 80113, United States
ENGLEWOOD, CO 801137008
Phone: (303) 888-3311
Type: Mailing
4800 HAPPY CANYON RD STE 220
DENVER, CO 802371074
Phone: (303) 888-3311
Fax: (720) 707-1627
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2015-12-01
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 |
|---|---|---|---|---|
| I20151201000946 | I | Physical Medicine And Rehabilitation | CO | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 806 | 258 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 774 | 267 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 406 | 232 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 178 | 175 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 169 | 164 | $0 |
Insurance plans in this area (ZIP 80120)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | NE | |
| - | CO | |
| - | CO | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | SC | |
| Nurse Practitioner | CO | |
| Nurse Practitioner | CO | |
| Internal Medicine, Hospice/Palliative Care | CO | |
| - | CO | |
| - | CO |
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