DR. NICHOLAS MARKHAM LEONARD (M.D.) – Emergency Medicine Physician, NPI 1003929787
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
827 EMERGENCY MEDICINE in OR
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Provider Addresses for DR. NICHOLAS MARKHAM LEONARD (M.D.)
Kaiser Sunnyside Medical Center, 10180, Southeast Sunnyside Road, Harmony, Oatfield, Metro, Clackamas County, Oregon, 97015, United States
CLACKAMAS, OR 970158970
Phone: (503) 652-2880
Type: Location
1334, Southeast Sherrett Street, Sellwood, Sellwood-Moreland, Portland, Multnomah County, Oregon, 97202, United States
PORTLAND, OR 972027132
Phone: (503) 236-9680
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: 2012-03-12
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 |
|---|---|---|---|---|
| I20120312000046 | I | Emergency Medicine | HI | 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 | 278 | 250 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 215 | 21 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 98 | 47 | $0 |
| U0002 | 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | 98 | 93 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 65 | 63 | $0 |
Insurance plans in this area (ZIP 97015)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | OR | 81002 | Urinalysis, manual test | 33 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | HI | |
| - | HI | |
| Internal Medicine, Hospitalist | HI | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| Cardiovascular Disease (Cardiology) | PA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | HI | |
| Orthopedic Surgery | ID | |
| A N E S T H E S I O L O G Y | HI | |
| Internal Medicine | HI | |
| Internal Medicine | HI |
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