Doctor profile · Federal record
Dr. Margaret Cox, MD
Internal Medicine Physician (CMS: Internal Medicine) · Fort Smith, AR
- NPI 1407010952
- Accepts Medicare
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4107 Massard RD
Fort Smith, AR 729036223
(479) 314-4940
fax (479) 478-7291
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- July 1, 2014
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arkansas #E6114
- Medicaid (2)
- OK #200250050A · AR #178411001
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407010952. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,527
Distinct HCPCS
10
Medicare allowed
$229,966
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,275 | 522 | $117 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,147 | 535 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 203 | 148 | $82 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 148 | 148 | $116 | |
G0008 |
Administration of influenza virus vaccine | 144 | 140 | $28 | |
90662 |
Influenza vaccine split virus, preservative free | 121 | 117 | $72 | |
71046 |
X-ray of chest, 2 views | 69 | 63 | $18 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 46 | 46 | $13 | |
G0009 |
Administration of pneumococcal vaccine | 44 | 44 | $28 | |
83036 |
Hemoglobin a1c level | 33 | 33 | $10 |
In context: peer comparison
Among 17 peers in Fort Smith Internal Medicine Physician, average services per provider: 175. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$97
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 2 | $30.62 | |
| Abbvie INC. | 1 | $18.38 | |
| Abbott Laboratories | 1 | $17.50 | |
| Currax Pharmaceuticals LLC | 1 | $15.40 | |
| Novo Nordisk INC | 1 | $14.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,540
Patients
1,608
Total drug cost
$79,551
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 777 | 224 | $11,312 |
| Omeprazole | Generic | 498 | 144 | $7,171 |
| Losartan Potassium | Generic | 489 | 142 | $8,270 |
| Lisinopril | Generic | 481 | 137 | $4,104 |
| Levothyroxine Sodium | Generic | 477 | 128 | $7,111 |
| Amlodipine Besylate | Generic | 426 | 124 | $3,535 |
| Gabapentin | Generic | 354 | 99 | $6,457 |
| Rosuvastatin Calcium | Generic | 354 | 121 | $6,923 |
| Pantoprazole Sodium | Generic | 344 | 91 | $6,068 |
| Metoprolol Succinate | Generic | 253 | 76 | $5,154 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Cox's medical specialty?
Dr. Margaret Cox practices Internal Medicine Physician in Fort Smith, AR.
Where does Dr. Margaret Cox practice?
Dr. Margaret Cox practices at 4107 Massard RD, Fort Smith, AR 729036223. Office phone: 4793144940.
What is Dr. Margaret Cox's NPI?
Dr. Margaret Cox's National Provider Identifier (NPI) is 1407010952, issued by NPPES.
Does Dr. Margaret Cox accept Medicare assignment?
Yes. Dr. Margaret Cox accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Cox 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.