OLIVIA GRABMAYER – Physician Assistant, NPI 1487120424
Physician Assistant
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Profile Insights
NPPES metrics only — not quality of care.
4,166 PHYSICIAN ASSISTANT in CO
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Provider Addresses for OLIVIA GRABMAYER
550, East Harvard Avenue, Rosedale, Denver, Denver County, Colorado, 80210, United States
DENVER, CO 802107000
Phone: (303) 778-6527
Type: Mailing
501 E HAMPDEN AVE
ENGLEWOOD, CO 801132702
Phone: (303) 788-5000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $178.
Total Amount is formed as General ($178) + Research ($0) + Ownership ($0) = $178.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($61).
Total Amount
$178
General + Research + Ownership
Payments
9
Total payment records
General Amount
$178
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 |
|---|---|
| AstraZeneca Pharmaceuticals LP | $61 |
| Abbott Laboratories | $47 |
| Amgen Inc. | $20 |
| Medtronic, Inc. | $19 |
| Janssen Pharmaceuticals, Inc | $17 |
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: 2019-04-01
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 |
|---|---|---|---|---|
| I20190401002183 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| 93016 | Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 19 | 19 | $0 |
Insurance plans in this area (ZIP 80210)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Cardiovascular Disease (Cardiology) | CO | |
| - | CO | |
| Nurse Practitioner | CO | |
| Physician Assistant | CO | |
| - | CO | |
| Physician Assistant | WI | |
| Thoracic Surgery, Cardiac Surgery, General Surgery | CO | |
| Thoracic Surgery, Cardiac Surgery | CO | |
| Thoracic Surgery, General Surgery | CO | |
| Physician Assistant | CO |
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