Doctor profile · Federal record
Dr. Christopher Greenhagen, PA-C
Physician Assistant · Newkirk, OK
- NPI 1356764195
- Accepts Medicare
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
716 S Highway 77
Newkirk, OK 746477009
(580) 362-2555
fax (580) 362-2948 - Mailing address
-
1201 E Hartford Ave
Ponca City, OK 746012018
Credentials & registration
- NPI registered
- January 2014 — 12 yrs on file
- Profile last updated
- September 25, 2019
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Oklahoma #2378
- Medicaid
- OK #200530330A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356764195. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
624
Distinct HCPCS
7
Medicare allowed
$35,881
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 323 | 85 | $101 | |
36415 |
Insertion of needle into vein for collection of blood sample | 124 | 67 | $5 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 68 | 54 | $8 | |
83036 |
Hemoglobin a1c level | 57 | 30 | $10 | |
96372 |
Injection of drug or substance under skin or into muscle | 21 | 16 | $11 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 14 | $71 | |
81003 |
Automated urinalysis test | 14 | 13 | $2 |
In context: peer comparison
Among 1 peers in Newkirk Physician Assistant, average services per provider: 89. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$59
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $43.67 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $14.84 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,229
Patients
298
Total drug cost
$76,234
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 142 | 38 | $2,040 |
| Omeprazole | Generic | 111 | 30 | $1,942 |
| Levothyroxine Sodium | Generic | 101 | 28 | $1,308 |
| Carvedilol | Generic | 98 | 21 | $1,252 |
| Amlodipine Besylate | Generic | 97 | 26 | $496 |
| Lisinopril | Generic | 96 | 25 | $902 |
| Tramadol Hcl | Generic | 86 | 20 | $781 |
| Gabapentin | Generic | 82 | 22 | $3,177 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 70 | 18 | $3,680 |
| Metformin Hcl | Generic | 67 | 21 | $853 |
Frequently asked questions
What is Dr. Christopher Greenhagen's medical specialty?
Dr. Christopher Greenhagen practices Physician Assistant in Newkirk, OK.
Where does Dr. Christopher Greenhagen practice?
Dr. Christopher Greenhagen practices at 716 S Highway 77, Newkirk, OK 746477009. Office phone: 5803622555.
What is Dr. Christopher Greenhagen's NPI?
Dr. Christopher Greenhagen's National Provider Identifier (NPI) is 1356764195, issued by NPPES.
Does Dr. Christopher Greenhagen accept Medicare assignment?
Yes. Dr. Christopher Greenhagen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Greenhagen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.