Doctor profile · Federal record
Dr. Karen Williams, MD
Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Huntsville, AL
- NPI 1942244074
- Accepts Medicare
- 24 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2410 Commerce CT Sw
Huntsville, AL 358015679
(256) 539-7722
fax (256) 539-1816
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 29, 2009
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Alabama #23628 · Tennessee #36268
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942244074. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,620
Distinct HCPCS
10
Medicare allowed
$80,449
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 374 | 170 | $78 | |
36415 |
Insertion of needle into vein for collection of blood sample | 373 | 182 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 225 | 150 | $110 | |
96372 |
Injection of drug or substance under skin or into muscle | 124 | 28 | $12 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 116 | 116 | $109 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 102 | 20 | $0 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 86 | 86 | $15 | |
G0008 |
Administration of influenza virus vaccine | 70 | 70 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 68 | 68 | $72 | |
81003 |
Automated urinalysis test | 35 | 27 | $2 |
In context: peer comparison
Among 52 peers in Huntsville Family Medicine Physician, average services per provider: 122. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,319
Patients
457
Total drug cost
$29,841
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 157 | 55 | $3,520 |
| Amlodipine Besylate | Generic | 152 | 52 | $1,460 |
| Levothyroxine Sodium | Generic | 119 | 44 | $2,007 |
| Rosuvastatin Calcium | Generic | 104 | 41 | $2,439 |
| Omeprazole | Generic | 98 | 31 | $1,827 |
| Synthroid (Levothyroxine Sodium) | Brand | 98 | 25 | $9,441 |
| Metformin Hcl | Generic | 96 | 33 | $1,290 |
| Gabapentin | Generic | 73 | 20 | $1,321 |
| Losartan Potassium | Generic | 73 | 27 | $1,434 |
| Lisinopril | Generic | 69 | 27 | $808 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Williams's medical specialty?
Dr. Karen Williams practices Family Medicine Physician in Huntsville, AL.
Where does Dr. Karen Williams practice?
Dr. Karen Williams practices at 2410 Commerce CT Sw, Huntsville, AL 358015679. Office phone: 2565397722.
What is Dr. Karen Williams's NPI?
Dr. Karen Williams's National Provider Identifier (NPI) is 1942244074, issued by NPPES.
Does Dr. Karen Williams accept Medicare assignment?
Yes. Dr. Karen Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.