Doctor profile · Federal record
Dr. Crystal Marcum, APRN
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Shawnee, OK
- NPI 1639573041
- Accepts Medicare
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
781 Grand Casino Blvd
Shawnee, OK 748041005
(405) 964-5770
fax (405) 964-5788
Credentials & registration
- NPI registered
- October 2014 — 12 yrs on file
- Profile last updated
- June 26, 2019
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Oklahoma #114855
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639573041. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
518
Distinct HCPCS
10
Medicare allowed
$5,701
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 103 | 54 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 95 | 51 | $10 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 67 | 41 | $16 | |
81001 |
Manual urinalysis test with examination using microscope, automated | 63 | 38 | $3 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 60 | 43 | $13 | |
83036 |
Hemoglobin a1c level | 45 | 32 | $10 | |
82306 |
Vitamin d-3 level | 39 | 32 | $29 | |
82043 |
Urine microalbumin (protein) level | 16 | 12 | $6 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 16 | 12 | $5 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 14 | 11 | $8 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 58. This provider delivers 8.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
986
Patients
98
Total drug cost
$50,212
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 117 | 16 | $5,136 |
| Synthroid (Levothyroxine Sodium) | Brand | 107 | 16 | $3,503 |
| Gabapentin | Generic | 101 | 17 | $1,732 |
| Amlodipine Besylate | Generic | 85 | 12 | $793 |
| Lisinopril | Generic | 67 | 12 | $201 |
| Losartan Potassium | Generic | 66 | 12 | $795 |
| Omeprazole | Generic | 64 | 0 | $2,282 |
| Montelukast Sodium | Generic | 58 | 0 | $2,700 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 51 | 0 | $1,032 |
| Metoprolol Succinate | Generic | 49 | 0 | $670 |
Frequently asked questions
What is Dr. Crystal Marcum's medical specialty?
Dr. Crystal Marcum practices Family Nurse Practitioner in Shawnee, OK.
Where does Dr. Crystal Marcum practice?
Dr. Crystal Marcum practices at 781 Grand Casino Blvd, Shawnee, OK 748041005. Office phone: 4059645770.
What is Dr. Crystal Marcum's NPI?
Dr. Crystal Marcum's National Provider Identifier (NPI) is 1639573041, issued by NPPES.
Does Dr. Crystal Marcum accept Medicare assignment?
Yes. Dr. Crystal Marcum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Crystal Marcum commonly perform?
Top Medicare-reported procedures in 2023: Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Blood test, thyroid stimulating hormone (tsh) (HCPCS 84443). Source: CMS Medicare Physician & Other Practitioners file.