Doctor profile · Federal record

Dr. Maribeth Williams, M.D.

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Greer, SC

  • NPI 1487965265
  • Accepts Medicare
  • MIPS 78.2 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
109 Physicians Dr Ste A
Greer, SC 296502446
(864) 797-9150
fax (864) 797-9155
Additional location
1600 Sw Archer RD
Gainesville, FL 326103003
(352) 273-5159
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
May 12, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
South Carolina #32897 · Florida #ME124959
Medicaid
FL #015336300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487965265. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
388
Distinct HCPCS
8
Medicare allowed
$34,747
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 144 105 $126
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 68 26 $79
36415 Insertion of needle into vein for collection of blood sample 59 49 $8
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 33 15 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 32 32 $87
99238 Hospital discharge day management, 30 minutes or less 21 20 $80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 18 18 $126
83036 Hemoglobin a1c level 13 11 $10

In context: peer comparison

Among 19 peers in this city , average services per provider: 73. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
861
Patients
281
Total drug cost
$14,540
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 136 48 $2,644
Amlodipine Besylate Generic 106 33 $1,275
Lisinopril Generic 79 28 $1,164
Levothyroxine Sodium Generic 67 23 $1,020
Losartan Potassium Generic 53 22 $1,009
Montelukast Sodium Generic 50 13 $753
Metformin Hcl Generic 48 17 $636
Omeprazole Generic 48 18 $844
Gabapentin Generic 47 22 $1,293
Hydrochlorothiazide Generic 47 16 $196

Frequently asked questions

Auto-generated from federal data
What is Dr. Maribeth Williams's medical specialty?
Dr. Maribeth Williams practices Family Medicine Physician in Greer, SC.
Where does Dr. Maribeth Williams practice?
Dr. Maribeth Williams practices at 109 Physicians Dr Ste A, Greer, SC 296502446. Office phone: 8647979150.
What is Dr. Maribeth Williams's NPI?
Dr. Maribeth Williams's National Provider Identifier (NPI) is 1487965265, issued by NPPES.
Does Dr. Maribeth Williams accept Medicare assignment?
Yes. Dr. Maribeth Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maribeth Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.