Dr. Timothy Alphonzo Williams, MD

  • Birmingham, AL
  • Nephrologist
NPI1023335312PAC ID1658518410
Medicare services, 2024
989
Medicare patients, 2024
398
Part D claims, 2024
949
Hospital affiliations
5
Industry payments
$2,085
Practice address
52 Medical Park Drive East, Birmingham, AL 35235
Practice phone
Call (205) 838-3888
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

OSE Surgery Center

Surgery Center - Medicare-Certified · Birmingham, Alabama

See all 13 affiliations

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Dr. Timothy Alphonzo Williams is a nephrologist in Birmingham, Alabama

Dr. Williams practices at OSE Surgery Center in Birmingham, Alabama.

Dr. Williams' NPI, 1023335312, was assigned on April 26, 2010. Dr. Williams graduated from University of Alabama School of Medicine in 2010. Dr. Williams holds Alabama license 31432.

NPI and contact details
Medicare PAC ID
1658518410
NPI enumeration date
April 26, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(205) 838-3888
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Timothy Alphonzo Williams practices at OSE Surgery Center in Birmingham, Alabama

Dr. Williams' primary practice is OSE Surgery Center, at 52 Medical Park Drive East, Birmingham, AL 35235. The practice phone is (205) 838-3888.

  • OSE Surgery Center
    52 Medical Park Drive East, Birmingham, AL 35235Phone(205) 838-3888

Source: Dmand AI Affiliation Data

Dr. Timothy Alphonzo Williams is affiliated with 10 sites of care and 3 medical groups

Dr. Williams' primary practice is OSE Surgery Center in Birmingham, Alabama. Dr. Williams is also affiliated with Grandview Medical Center. The medical group on file is Cahaba Medical Care. Dmand AI also links Dr. Williams to 4 more hospitals, 3 dialysis centers, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 13 affiliations for Dr. Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Timothy Alphonzo Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
OSE Surgery CenterAvailable with a free account
+9 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Timothy Alphonzo Williams is one of 185 nephrologists in Alabama

Nephrology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Williams is board certified in internal medicine by the American Board of Internal Medicine. Dr. Williams is licensed in Alabama.

Specialties and state licenses

  • Nephrology, AlabamaPrimaryLicense 31432 · taxonomy 207RN0300X

Nephrologists near Dr. Williams

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Timothy Alphonzo Williams billed Medicare for 989 services in 2024

CMS data shows 989 Medicare services from Dr. Williams across 15 procedure codes in 2024, for 398 Medicare patients. Medicare paid $74,455 for them.

Medicare services, 2024989
Medicare patients398
Paid by Medicare$74,455
Procedure codes15

Dr. Williams' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7062024: 6971%
Tests and treatments
2023: 612024: 124103%
Surgery
2023: 882024: 7020%
Other services
2023: 02024: 59
Lab and pathology
2023: 202024: 2735%
Imaging
2023: 162024: 1225%

Where Dr. Williams' Medicare services took place, 2024

  • In an office39740%
  • In a facility59260%

Dr. Williams compared with the Alabama median for nephrologists, 2024

  • Dr. Williams
  • Alabama median
Medicare services
989vs 1,27422% below
Medicare patients
398vs 34017% above
Part D claims
792vs 808Close to median

Medians across 180 nephrologists in Alabama with Dmand AI profiles that report each measure.

Dr. Williams' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Williams

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Timothy Alphonzo Williams treated 398 Medicare patients in 2024, average age 72

CMS counts 398 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 142 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 4.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 70, with 50% women.

Medicare patients, 2024398
Average age72
Average risk score4.39
Also on Medicaid18%

Dr. Williams' Medicare patients by age, 2024

Dr. Williams' Medicare patients by sex, 2024

  • Women18145%
  • Men21755%

Chronic conditions among Dr. Williams' Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes66%
  5. Heart failure58%
  6. Ischemic heart disease56%
  7. Arthritis50%
  8. Atrial fibrillation40%

Share of Medicare patients with each condition. A patient can have several.

Dr. Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Timothy Alphonzo Williams wrote 949 Medicare Part D claims in 2024

In 2024, Dr. Williams wrote 949 Medicare Part D claims for 205 patients. 76% of them were for generic drugs. CMS names the drug for 792 of them, across 22 drugs with 11 or more claims each, at $156,726 in total drug cost. In 2023, CMS named 490 claims across 18 drugs.

Part D claims, 2024949
Drugs named by CMS22
Total drug cost$156,726
Part D patients205

Dr. Williams' Part D claims by kind of drug, 2024

  • Generic723 claims76%
  • Brand-name226 claims24%

Dr. Williams' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Williams' Part D claims, 2024

  • Antibiotics2%21 of 949 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4902024: 79262%

Drugs named by CMS: 22 in 2024, 18 in 2023.

See all prescribing by Dr. Williams

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Timothy Alphonzo Williams takes part in Medicare

Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Timothy Alphonzo Williams received $2,085 in industry payments from 2016 to 2023

CMS Open Payments shows 81 general payments to Dr. Williams from 18 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 97% of the total. Fresenius USA Marketing, Inc. paid the most, $394.

General payments to Dr. Williams by program year, 2016 to 2023

General payments to Dr. Williams by kind, 2016 to 2023

$2.1Kin total
  • Food and beverage$2,01897%
  • Education$673%

Companies that paid Dr. Williams the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Timothy Alphonzo Williams graduated from University of Alabama School of Medicine

Dr. Williams graduated from University of Alabama School of Medicine in 2010.

  1. Medical schoolUniversity of Alabama School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Timothy Alphonzo Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Timothy Alphonzo Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Timothy Alphonzo Williams' NPI number?

Dr. Timothy Alphonzo Williams' NPI number is 1023335312. It was assigned on April 26, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Timothy Alphonzo Williams?

Dr. Timothy Alphonzo Williams is a nephrologist in Birmingham, Alabama. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Timothy Alphonzo Williams practice?

Dr. Williams practices at 52 Medical Park Drive East, Birmingham, AL 35235. Dr. Williams' primary practice is OSE Surgery Center in Birmingham, Alabama. Dmand AI also links Dr. Williams to 4 hospitals, 3 dialysis centers, 2 medical groups and 1 group practice or clinic.

What is Dr. Timothy Alphonzo Williams' office phone number?

The practice phone on file for Dr. Williams is (205) 838-3888.

What is Dr. Timothy Alphonzo Williams' medical license number?

Dr. Williams holds Alabama license 31432.

Which hospitals is Dr. Timothy Alphonzo Williams affiliated with?

Dr. Williams is affiliated with Grandview Medical Center. Dmand AI links Dr. Williams to 4 more hospitals.

What medical group is Dr. Timothy Alphonzo Williams part of?

Dr. Williams is linked to Cahaba Medical Care. Dmand AI links Dr. Williams to 2 more medical groups.

Does Dr. Timothy Alphonzo Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 989 services in 2024, and Dr. Williams accepts Medicare assignment.

How many Medicare patients does Dr. Timothy Alphonzo Williams see?

CMS counts 398 Medicare patients who saw Dr. Williams in 2024, with an average age of 72.

Is Dr. Timothy Alphonzo Williams board certified?

Yes. Dr. Williams is board certified in internal medicine by the American Board of Internal Medicine.

Show 5 more questionsShow fewer questions

What services does Dr. Timothy Alphonzo Williams bill to Medicare?

In 2024, Dr. Williams' most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and dialysis (90960).

Where did Dr. Timothy Alphonzo Williams go to medical school?

Dr. Williams graduated from University of Alabama School of Medicine in 2010.

What drugs does Dr. Timothy Alphonzo Williams prescribe most?

In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Farxiga, Amlodipine Besylate and Calcitriol.

Has Dr. Timothy Alphonzo Williams received payments from drug or device companies?

CMS Open Payments shows $2,085 in general payments to Dr. Williams from 18 companies from 2016 to 2023. The largest total came from Fresenius USA Marketing, Inc.

How long has Dr. Timothy Alphonzo Williams been practicing?

Dr. Williams graduated from medical school in 2010, 16 years ago.

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