Doctor profile · Federal record
Dr. Mark Williams, MD
Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Wilmington, NC
- NPI 1386713923
- Accepts Medicare
- 50 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1725 New Hanover Medical Park Dr
Wilmington, NC 284035345
(910) 662-9300
fax (910) 662-2401 - Additional location
-
2131 S 17Th St
Wilmington, NC 284017407
(910) 772-9202
fax (910) 774-9452 - Mailing address
-
Po Box 936857
Atlanta, GA 311936857
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- May 27, 2021
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- Virginia #0101223966
- Medicaid
- VA #1386713923
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386713923. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,404
Distinct HCPCS
9
Medicare allowed
$152,797
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 1,060 | 199 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 106 | 57 | $77 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 91 | 85 | $177 | |
99316 |
Nursing facility discharge management, more than 30 minutes | 46 | 45 | $127 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 44 | 31 | $139 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 12 | $95 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 13 | 12 | $148 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $169 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 11 | 11 | $125 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 156. This provider delivers 9.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,498
Patients
232
Total drug cost
$87,975
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 214 | 35 | $2,124 |
| Eliquis (Apixaban) | Brand | 145 | 12 | $41,283 |
| Atorvastatin Calcium | Generic | 137 | 31 | $2,272 |
| Levothyroxine Sodium | Generic | 130 | 31 | $1,794 |
| Furosemide | Generic | 107 | 27 | $760 |
| Lisinopril | Generic | 106 | 19 | $1,154 |
| Xarelto (Rivaroxaban) | Brand | 103 | 0 | $26,112 |
| Gabapentin | Generic | 97 | 27 | $1,826 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 86 | 11 | $1,330 |
| Propranolol Hcl | Generic | 73 | 0 | $1,593 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Williams's medical specialty?
Dr. Mark Williams practices Geriatric Medicine (Internal Medicine) Physician in Wilmington, NC.
Where does Dr. Mark Williams practice?
Dr. Mark Williams practices at 1725 New Hanover Medical Park Dr, Wilmington, NC 284035345. Office phone: 9106629300.
What is Dr. Mark Williams's NPI?
Dr. Mark Williams's National Provider Identifier (NPI) is 1386713923, issued by NPPES.
Does Dr. Mark Williams accept Medicare assignment?
Yes. Dr. Mark Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.