Doctor profile · Federal record
Dr. Michael Johnson, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Fredericksburg, TX
- NPI 1386653236
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1308 S Highway 16
Fredericksburg, TX 786245058
(830) 997-2181
fax (830) 997-9598
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- February 17, 2014
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #L8750
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386653236. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,577
Distinct HCPCS
10
Medicare allowed
$500,332
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,550 | 696 | $124 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,222 | 655 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 1,146 | 628 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 968 | 624 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 642 | 642 | $126 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 616 | 561 | $13 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 519 | 73 | $61 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 509 | 315 | $88 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 312 | 41 | $1 | |
G0008 |
Administration of influenza virus vaccine | 263 | 262 | $30 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 150. This provider delivers 64× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
5,773
Patients
1,620
Total drug cost
$99,156
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 710 | 202 | $9,940 |
| Levothyroxine Sodium | Generic | 653 | 157 | $11,673 |
| Losartan Potassium | Generic | 465 | 129 | $7,384 |
| Pravastatin Sodium | Generic | 437 | 121 | $8,200 |
| Omeprazole | Generic | 388 | 115 | $5,384 |
| Potassium Chloride | Generic | 383 | 116 | $15,737 |
| Lisinopril | Generic | 350 | 95 | $3,447 |
| Metformin Hcl | Generic | 330 | 90 | $3,374 |
| Tamsulosin Hcl | Generic | 326 | 101 | $6,112 |
| Gabapentin | Generic | 313 | 95 | $5,411 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Johnson's medical specialty?
Dr. Michael Johnson practices Internal Medicine Physician in Fredericksburg, TX.
Where does Dr. Michael Johnson practice?
Dr. Michael Johnson practices at 1308 S Highway 16, Fredericksburg, TX 786245058. Office phone: 8309972181.
What is Dr. Michael Johnson's NPI?
Dr. Michael Johnson's National Provider Identifier (NPI) is 1386653236, issued by NPPES.
Does Dr. Michael Johnson accept Medicare assignment?
Yes. Dr. Michael Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Johnson 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); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.