Doctor profile · Federal record
Dr. Michael McMahon, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Nederland, TX
- NPI 1548240641
- Accepts Medicare
- 35 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1003 Nederland Ave
Nederland, TX 776272832
(409) 344-4466
fax (409) 600-8525 - Mailing address
-
2940 Spurlock RD
Nederland, TX 776276313
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- January 6, 2021
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #K0347
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548240641. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,230
Distinct HCPCS
10
Medicare allowed
$391,352
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 2,318 | 231 | $75 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 598 | 146 | $101 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 238 | 197 | $166 | |
99239 |
Hospital discharge day management, more than 30 minutes | 223 | 192 | $109 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 197 | 82 | $113 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 179 | 159 | $173 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 145 | 77 | $70 | |
G0181 |
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | 143 | 63 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 48 | 32 | $121 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 28 | 24 | $49 |
In context: peer comparison
Among 4 peers in Nederland Internal Medicine Physician, average services per provider: 195. This provider delivers 22× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,718
Patients
832
Total drug cost
$166,867
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 460 | 101 | $7,596 |
| Levothyroxine Sodium | Generic | 380 | 82 | $4,807 |
| Pantoprazole Sodium | Generic | 304 | 77 | $16,351 |
| Eliquis (Apixaban) | Brand | 284 | 44 | $91,019 |
| Amlodipine Besylate | Generic | 253 | 67 | $2,903 |
| Donepezil Hcl | Generic | 249 | 45 | $6,369 |
| Furosemide | Generic | 239 | 65 | $1,428 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 218 | 53 | $3,064 |
| Metoprolol Tartrate | Generic | 217 | 48 | $1,848 |
| Gabapentin | Generic | 214 | 53 | $4,656 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael McMahon's medical specialty?
Dr. Michael McMahon practices Internal Medicine Physician in Nederland, TX.
Where does Dr. Michael McMahon practice?
Dr. Michael McMahon practices at 1003 Nederland Ave, Nederland, TX 776272832. Office phone: 4093444466.
What is Dr. Michael McMahon's NPI?
Dr. Michael McMahon's National Provider Identifier (NPI) is 1548240641, issued by NPPES.
Does Dr. Michael McMahon accept Medicare assignment?
Yes. Dr. Michael McMahon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael McMahon commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.