MR. CHRISTOPHER GREENHAGEN (PA-C) – Physician Assistant, NPI 1356764195
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,797 PHYSICIAN ASSISTANT in OK
Provider Addresses for MR. CHRISTOPHER GREENHAGEN (PA-C)
1201 E HARTFORD AVE
PONCA CITY, OK 746012018
Phone: (918) 642-3100
Fax: (918) 642-5639
Type: Mailing
716 S HIGHWAY 77
NEWKIRK, OK 746477009
Phone: (580) 362-2555
Fax: (580) 362-2948
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $74.
Total Amount is formed as General ($74) + Research ($0) + Ownership ($0) = $74.
Last reported payment date: 2024-07-24 • Largest payer in this snapshot: Boston Scientific Corporation ($44).
Total Amount
$74
General + Research + Ownership
Payments
3
Total payment records
General Amount
$74
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $44 |
| PFIZER INC. | $16 |
| AstraZeneca Pharmaceuticals LP | $15 |
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: 2014-03-27
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 |
|---|---|---|---|---|
| I20140327001758 | I | Physician Assistant | OK | 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 | 323 | 85 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 124 | 67 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 68 | 54 | $0 |
| 83036 | Hemoglobin a1c level | 57 | 30 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 21 | 16 | $0 |
Insurance plans in this area (ZIP 74601)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OK | |
| General Practice | OK | |
| Physician Assistant | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | OK |
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