Doctor profile · Federal record
Dr. Mechelle Williams, ACNP
Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Katy, TX
- NPI 1598986150
- Accepts Medicare
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
24275 Katy Fwy Ste 400
Katy, TX 774947267
(346) 387-7171
fax (844) 703-5305 - Additional location
-
1480 Katy Flewellen RD
Katy, TX 774946349
(832) 707-5701
fax (281) 254-7765
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- March 17, 2018
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 363LA2100X — NUCC code
- State license (1)
- Texas #597495
- Medicaid
- TX #154569103
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598986150. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,446
Distinct HCPCS
10
Medicare allowed
$158,809
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99350 |
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 610 | 112 | $159 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 184 | 60 | $53 | |
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 172 | 71 | $108 | |
99348 |
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 87 | 57 | $65 | |
99491 |
Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month | 73 | 41 | $73 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 63 | 38 | $40 | |
99347 |
Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | 46 | 30 | $38 | |
G0513 |
Prolonged preventive service(s) (beyond the typical service time of the primary procedure), in the office or other outpatient setting requiring direct patient contact beyond the usual service; first 30 minutes (list separately in addition to code for preve | 38 | 38 | $54 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 32 | 32 | $111 | |
G0506 |
Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service) | 31 | 31 | $53 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 105. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,709
Patients
330
Total drug cost
$82,882
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Donepezil Hcl | Generic | 188 | 39 | $4,896 |
| Atorvastatin Calcium | Generic | 176 | 38 | $2,957 |
| Sertraline Hcl | Generic | 166 | 23 | $2,183 |
| Memantine Hcl | Generic | 162 | 26 | $7,079 |
| Amlodipine Besylate | Generic | 157 | 31 | $1,492 |
| Quetiapine Fumarate | Generic | 134 | 15 | $2,149 |
| Losartan Potassium | Generic | 106 | 25 | $1,393 |
| Furosemide | Generic | 88 | 25 | $432 |
| Eliquis (Apixaban) | Brand | 87 | 20 | $54,931 |
| Levothyroxine Sodium | Generic | 86 | 19 | $1,072 |
Frequently asked questions
What is Dr. Mechelle Williams's medical specialty?
Dr. Mechelle Williams practices Acute Care Nurse Practitioner in Katy, TX.
Where does Dr. Mechelle Williams practice?
Dr. Mechelle Williams practices at 24275 Katy Fwy Ste 400, Katy, TX 774947267. Office phone: 3463877171.
What is Dr. Mechelle Williams's NPI?
Dr. Mechelle Williams's National Provider Identifier (NPI) is 1598986150, issued by NPPES.
Does Dr. Mechelle Williams accept Medicare assignment?
Yes. Dr. Mechelle Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mechelle Williams commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with high level of medical decision making (HCPCS 99350); Chronic care management services (HCPCS 99490); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349). Source: CMS Medicare Physician & Other Practitioners file.