Active NPI 1518991264 Individual Practitioner Male Practitioner

Dr. David Collier Williams , MD

Internal Medicine - Nephrology • Norman, OK

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Williams, MD is a certified Internal Medicine - Nephrology practicing in Norman, OK. With approximately 25 years of clinical experience since graduating from Des Moines University Of Osteopathic Medicine And Health Sciences in 2001, Dr. Williams delivers high-quality medical care to the local community at 1553 N PORTER AVE.

Dr. Williams is affiliated with Norman Regional Providers Specialty Care and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, dialysis services, 1 physician visit per month (20 years or older). Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1553 N Porter Ave

Norman, OK 730716621

Telephone 4052178500

Fax 4052178501

Associated Practice Facility / Clinic

🏢 David C Williams Md Pc Facility NPI 1720091663

Medicare Profile & Education

Medical School

Des Moines University Of Osteopathic Medicine And Health Sciences

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Norman, OK

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

25 Yrs +3.0 yrs vs City Avg

City Avg: 22.0 Yrs

State Avg: 24.8 Yrs

Regional Practice Density

4 Specialists

Practicing in Norman, OK (119 Statewide)

Telehealth Adoption Rate

25.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

59.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (25 Years) 25 Yrs

Norman Specialty Average (22.0 Years) 22.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	550	309	$278.33	$122.10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	454	123	$179.40	$75.25
90962 Dialysis services, 1 physician visit per month (20 years or older)	225	41	$455.37	$193.29
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	149	29	$660.96	$282.99
99231 Follow-up hospital inpatient care per day, typically 15 minutes	95	48	$111.28	$47.55
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	60	57	$311.45	$124.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	43	$481.00	$167.83
81002 Urinalysis, manual test	41	41	$32.29	$3.41
36415 Insertion of needle into vein for collection of blood sample	29	22	$36.00	$8.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$356.14	$159.68
99213 Established patient office or other outpatient visit, typically 15 minutes	27	26	$191.67	$86.62
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$540.00	$212.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	538	310	$162.00	$117.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	385	139	$112.37	$75.16
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	159	28	$455.00	$277.65
90962 Dialysis services, 1 physician visit per month (20 years or older)	110	39	$351.00	$190.24
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	103	92	$212.00	$123.82
90966 Home dialysis services per month, patient 20 years of age or older	99	20	$366.00	$272.13
90935 Hemodialysis procedure with physician evaluation	93	42	$114.00	$64.50
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	56	56	$314.00	$202.61
81002 Urinalysis, manual test	50	50	$20.00	$3.41
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	43	17	$541.00	$334.28
99231 Follow-up hospital inpatient care per day, typically 15 minutes	34	15	$60.00	$47.24
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	32	15	$160.00	$113.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$314.00	$158.00
36415 Insertion of needle into vein for collection of blood sample	13	13	$10.00	$8.40
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	11	$218.00	$165.80
99441 Telephone medical discussion with physician, 5-10 minutes	11	11	$101.00	$52.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	536	296	$162.00	$119.78
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	500	167	$112.00	$68.06
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	219	30	$455.00	$285.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	129	117	$212.00	$128.97
90966 Home dialysis services per month, patient 20 years of age or older	125	17	$366.00	$283.39
90935 Hemodialysis procedure with physician evaluation	121	63	$114.00	$70.05
90962 Dialysis services, 1 physician visit per month (20 years or older)	88	28	$351.00	$195.25
36415 Insertion of needle into vein for collection of blood sample	68	60	$10.00	$2.99
81002 Urinalysis, manual test	43	43	$20.00	$3.43
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$250.00	$159.23
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$314.00	$209.88
99442 Telephone medical discussion with physician, 11-20 minutes	16	14	$143.00	$85.80
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$110.00	$85.73
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$218.00	$170.96
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$314.00	$188.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	717	215	$112.00	$68.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	590	321	$162.00	$122.58
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	224	34	$455.00	$286.57
90935 Hemodialysis procedure with physician evaluation	218	81	$114.00	$70.63
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	185	160	$212.00	$130.43
90966 Home dialysis services per month, patient 20 years of age or older	116	21	$366.00	$278.07
90962 Dialysis services, 1 physician visit per month (20 years or older)	110	37	$351.00	$195.82
36415 Insertion of needle into vein for collection of blood sample	94	83	$10.00	$2.99
90945 Dialysis procedure including 1 evaluation	83	13	$166.00	$82.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	58	58	$250.00	$160.21
81003 Automated urinalysis test	43	43	$20.00	$2.25
99213 Established patient office or other outpatient visit, typically 15 minutes	21	21	$110.00	$86.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,047	251	$112.00	$70.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	613	329	$162.00	$102.55
90935 Hemodialysis procedure with physician evaluation	305	96	$114.00	$72.21
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	288	49	$455.00	$232.31
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	266	205	$212.00	$133.89
90962 Dialysis services, 1 physician visit per month (20 years or older)	139	44	$351.00	$178.14
90966 Home dialysis services per month, patient 20 years of age or older	128	16	$366.00	$232.91
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	64	37	$541.00	$276.89
90945 Dialysis procedure including 1 evaluation	53	12	$166.00	$83.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$250.00	$157.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$162.00	$99.86
36415 Insertion of needle into vein for collection of blood sample	21	21	$10.00	$2.96
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$110.00	$71.26
81003 Automated urinalysis test	11	11	$20.00	$2.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	972	245	$118.63	$71.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	680	333	$169.28	$103.66
90935 Hemodialysis procedure with physician evaluation	329	93	$188.02	$72.19
90962 Dialysis services, 1 physician visit per month (20 years or older)	240	66	$368.15	$178.96
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	221	52	$459.89	$232.78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	147	125	$212.00	$133.59
90966 Home dialysis services per month, patient 20 years of age or older	110	18	$400.11	$228.94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	94	80	$280.39	$198.02
90945 Dialysis procedure including 1 evaluation	62	13	$194.10	$81.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$256.79	$158.10
99213 Established patient office or other outpatient visit, typically 15 minutes	33	30	$113.79	$70.81
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	19	18	$531.79	$267.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$165.67	$103.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,009	269	$135.00	$70.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	651	301	$195.00	$102.13
90935 Hemodialysis procedure with physician evaluation	323	90	$360.00	$70.94
90962 Dialysis services, 1 physician visit per month (20 years or older)	277	54	$400.00	$176.57
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	256	213	$275.00	$196.27
90945 Dialysis procedure including 1 evaluation	130	15	$300.00	$82.63
36415 Insertion of needle into vein for collection of blood sample	113	65	$15.00	$2.94
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	113	43	$500.00	$229.87
90966 Home dialysis services per month, patient 20 years of age or older	105	19	$500.00	$223.50
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	62	24	$600.00	$273.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$302.00	$156.78
99213 Established patient office or other outpatient visit, typically 15 minutes	17	17	$135.00	$69.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,024	271	$134.87	$66.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	720	321	$195.00	$97.21
90962 Dialysis services, 1 physician visit per month (20 years or older)	303	44	$400.00	$168.37
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	249	211	$275.00	$187.87
90935 Hemodialysis procedure with physician evaluation	209	67	$360.00	$67.28
36415 Insertion of needle into vein for collection of blood sample	189	95	$15.00	$2.94
90966 Home dialysis services per month, patient 20 years of age or older	105	14	$500.00	$218.58
90945 Dialysis procedure including 1 evaluation	59	12	$300.00	$79.02
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	58	35	$500.00	$219.13
81003 Automated urinalysis test	36	36	$25.00	$3.02
99213 Established patient office or other outpatient visit, typically 15 minutes	35	34	$135.00	$66.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$302.00	$149.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$195.00	$97.41

Medical Specialties & State Licenses

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License OK 22399

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Hospital & Practice Group Affiliations

Norman Regional Providers Specialty Care

1553 N Porter Ave, Norman, OK 730716621

Phone: 4055150500

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

5 Associated Practitioners

Dr. Kendral Knight , MD

Internal Medicine - Nephrology

NPI 1275783250

Doctor of Medicine (M.D.)

Dr. Dustin Tedesco , MD

Internal Medicine

NPI 1649476136

Doctor of Medicine (M.D.)

Dr. Cuong Nguyen , MD

Internal Medicine - Nephrology

NPI 1659497451

Doctor of Medicine (M.D.)

Dr. Oswald Llanderosos , MD

Internal Medicine - Nephrology

NPI 1679554737

Doctor of Medicine (M.D.)

Dr. Delia Sarale , MD

Medical Genetics - Clinical Genetics (M.D.)

NPI 1902016132

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1553 N PORTER AVE, NORMAN, OK 730716621 (Tel: 4052178500)

📍

Updated Business Mailing Address July 08, 2007

Registered at 1553 N PORTER AVE, NORMAN, OK 730716621 (Tel: 4052178500)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as DAVID WILLIAMS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #22399 in OK)

🟢

Initial NPI Registration & Enumeration July 10, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1518991264

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 10, 2006

Last Update: July 08, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1553 N Porter Ave

Norman, OK 730716621

Phone: 4052178500

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.