Doctor profile · Federal record
Dr. Megan Maddox, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Houston, TX
- NPI 1720422884
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4191 Bellaire Blvd Ste 250
Houston, TX 770251017
(346) 356-7000
fax (346) 356-7001
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- April 1, 2024
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #Q9190
- Medicaid
- TX #394072801
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720422884. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,122
Distinct HCPCS
10
Medicare allowed
$130,456
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 1,142 | 11 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 279 | 157 | $129 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 151 | 151 | $129 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 134 | 103 | $91 | |
99421 |
Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes | 104 | 64 | $15 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 95 | 56 | $182 | |
G0008 |
Administration of influenza virus vaccine | 46 | 45 | $31 | |
90662 |
Influenza vaccine split virus, preservative free | 42 | 42 | $71 | |
99496 |
Transitional care management services for problem of high complexity | 24 | 18 | $280 | |
83036 |
Hemoglobin a1c level | 23 | 17 | $9 |
In context: peer comparison
Among 393 peers in Houston Internal Medicine Physician, average services per provider: 127. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$2,704
Transactions
132
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 34 | $558.11 | |
| Lilly USA, LLC | 16 | $292.82 | |
| Novo Nordisk INC | 11 | $213.68 | |
| Pfizer INC. | 8 | $182.19 | |
| AstraZeneca Pharmaceuticals Lp | 8 | $168.02 | |
| Amgen INC. | 11 | $157.54 | |
| Radius Health, INC. | 11 | $147.81 | |
| Ucb, INC. | 5 | $141.57 | |
| Novartis Pharmaceuticals Corporation | 5 | $115.14 | |
| Gilead Sciences, INC. | 5 | $97.96 | |
| GlaxoSmithKline, LLC. | 5 | $81.74 | |
| Exact Sciences Corporation | 4 | $74.52 | |
| Argenx US, INC. | 2 | $72.30 | |
| Ibsa Pharma INC. | 4 | $63.56 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 3 | $55.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,043
Patients
628
Total drug cost
$34,895
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 331 | 103 | $5,044 |
| Amlodipine Besylate | Generic | 231 | 68 | $2,179 |
| Levothyroxine Sodium | Generic | 207 | 59 | $4,126 |
| Gabapentin | Generic | 188 | 63 | $3,799 |
| Losartan Potassium | Generic | 140 | 39 | $1,665 |
| Pantoprazole Sodium | Generic | 126 | 45 | $2,900 |
| Escitalopram Oxalate | Generic | 118 | 36 | $2,487 |
| Hydrochlorothiazide | Generic | 116 | 35 | $739 |
| Rosuvastatin Calcium | Generic | 105 | 34 | $3,224 |
| Lisinopril | Generic | 101 | 32 | $1,239 |
Hospital affiliations
Frequently asked questions
What is Dr. Megan Maddox's medical specialty?
Dr. Megan Maddox practices Internal Medicine Physician in Houston, TX.
Where does Dr. Megan Maddox practice?
Dr. Megan Maddox practices at 4191 Bellaire Blvd Ste 250, Houston, TX 770251017. Office phone: 3463567000.
What is Dr. Megan Maddox's NPI?
Dr. Megan Maddox's National Provider Identifier (NPI) is 1720422884, issued by NPPES.
Does Dr. Megan Maddox accept Medicare assignment?
Yes. Dr. Megan Maddox accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Megan Maddox commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.