MICHAEL DARLEY (M.D.) – Rheumatology Physician, NPI 1538458146
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
53 RHEUMATOLOGY in UT
Provider Addresses for MICHAEL DARLEY (M.D.)
771 W 450 S
Springville, UT 846632384
Phone: (801) 852-9600
Fax: (801) 852-9695
Type: Location
1055 N 300 W STE 303
PROVO, UT 846043373
Phone: (801) 852-9600
Fax: (801) 852-9695
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 363 Open Payments records for all available years, with a total value of $4,137.
Total Amount is formed as General ($4,137) + Research ($0) + Ownership ($0) = $4,137.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Amgen Inc. ($1,197).
Total Amount
$4,137
General + Research + Ownership
Payments
363
Total payment records
General Amount
$4,137
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $1,197 |
| PFIZER INC. | $457 |
| ABBVIE INC. | $348 |
| UCB, Inc. | $220 |
| AstraZeneca Pharmaceuticals LP | $201 |
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: 2016-05-17
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 |
|---|---|---|---|---|
| I20160517000333 | I | Rheumatology | UT | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 351 | 194 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 53 | 23 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 48 | 48 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 45 | 13 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 43 | 30 | $0 |
Insurance plans in this area (ZIP 84663)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | UT | |
| Nurse Practitioner | UT | |
| Qualified Audiologist | UT | |
| Nurse Practitioner | UT | |
| O T O L A R Y N G O L O G Y | UT | |
| Qualified Audiologist | UT | |
| Nurse Practitioner | UT | |
| O T O L A R Y N G O L O G Y | UT | |
| Physician Assistant | NV | |
| Physician Assistant | UT |
Reviews
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