Physician Profile
Unclaimed ProfileAbout JOHNSON
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Education & Training
Areas of Expertise
Common questions
What does Dr. Johnson specialise in?
Dr. Johnson is an internal medicine in Fredericksburg, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Johnson located?
Dr. Johnson is listed at 1308 S HIGHWAY 16, Fredericksburg, TX 78624. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Johnson's phone number?
The number on file is (830) 997-2181. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johnson's NPI number?
Dr. Johnson's National Provider Identifier is 1386653236. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Johnson go to medical school?
Dr. Johnson attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johnson been practising?
Dr. Johnson has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Johnson do most often?
According to Medicare billing data, Dr. Johnson performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as dxa bone density measurement of hip, pelvis, spine; provides treatments such as influenza vaccine, inactivated and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (830) 997-2181
- Email not available
Practice Locations
1308 S HIGHWAY 16
Fredericksburg, TX 78624
Procedures Most Often Billed to Medicare
10,474 services · 6,319 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,413 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
73 |
| Influenza vaccine, inactivated | Treatment | 90653 |
256 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
94 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
240 |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
80 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,511 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
1,348 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
1,146 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
819 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 27 related providers in 4 groups
Other internal medicines in Fredericksburg 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
- Quest Diagnostics Clinical Laboratories INC
- Clinical Pathology Laboratories, INC.
- Quest Diagnostics Clinical Laboratories INC
- Laboratory Corporation of America
- Laboratory Corporation of America
- Lone Star Pathology PLLC
- Medical Clinic of Houston, LLP
- The University of Texas Southwestern Medical Center at Dallas
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.