Doctor profile · Federal record

Dr. Timothy Williams, M.D.

Nephrology Physician (CMS: Nephrology) · Birmingham, AL

  • NPI 1023335312
  • Accepts Medicare
  • MIPS 30.0 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
35 W Lakeshore Dr Ste 200
Birmingham, AL 352097250
(205) 226-5900
fax (205) 226-5937
Mailing address
817 Princeton Ave Sw, Pob II; Suite 210
Birmingham, AL 352111333

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
October 31, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Alabama #31432

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023335312. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
891
Distinct HCPCS
10
Medicare allowed
$72,986
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 420 164 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 147 98 $95
36415 Insertion of needle into vein for collection of blood sample 64 38 $7
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 57 56 $121
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 44 35 $112
99204 New patient office or other outpatient visit, 45-59 minutes 38 38 $148
90945 Dialysis procedure including 1 evaluation 32 14 $80
90935 Hemodialysis procedure with physician evaluation 29 23 $67
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 24 23 $221
81003 Automated urinalysis test 20 20 $2

In context: peer comparison

Among 21 peers in Birmingham Nephrology Physician, average services per provider: 104. This provider delivers 8.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
454
Patients
68
Total drug cost
$64,505
Drug Type Claims Patients Total cost
Calcitriol Generic 69 19 $648
Chlorthalidone Generic 65 15 $820
Amlodipine Besylate Generic 63 22 $686
Farxiga (Dapagliflozin Propanediol) Brand 37 0 $28,025
Lisinopril Generic 30 12 $108
Losartan Potassium Generic 26 0 $431
Spironolactone Generic 24 0 $173
Potassium Chloride Generic 20 0 $1,524
Carvedilol Generic 19 0 $238
Famotidine Generic 19 0 $321

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Williams's medical specialty?
Dr. Timothy Williams practices Nephrology Physician in Birmingham, AL.
Where does Dr. Timothy Williams practice?
Dr. Timothy Williams practices at 35 W Lakeshore Dr Ste 200, Birmingham, AL 352097250. Office phone: 2052265900.
What is Dr. Timothy Williams's NPI?
Dr. Timothy Williams's National Provider Identifier (NPI) is 1023335312, issued by NPPES.
Does Dr. Timothy Williams accept Medicare assignment?
Yes. Dr. Timothy Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.