Active NPI 1346377355 Individual Practitioner Male Practitioner

Nathan W Williams

Anesthesiology • Grand Junction, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Nathan Williams is a certified Anesthesiology practicing in Grand Junction, CO. With approximately 22 years of clinical experience since graduating from University Of Colorado School Of Medicine, Denver in 2004, Nathan Williams delivers high-quality medical care to the local community at 2635 N 7TH ST.

Nathan Williams is affiliated with Anesthesia Consultants Of Western Colorado, Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of artery tube for blood sampling or infusion through skin, anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, ultrasound of heart with probe in esophagus, with report. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2635 N 7th St

Grand Junction, CO 815018209

Telephone 9702442506

Associated Practice Facility / Clinic

🏢 Western Colorado Radiologic Associates, Pc Facility NPI 1316929284

Medicare Profile & Education

Medical School

University Of Colorado School Of Medicine, Denver

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Grand Junction, CO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

22 Yrs -1.1 yrs vs City Avg

City Avg: 23.1 Yrs

State Avg: 24.2 Yrs

Regional Practice Density

39 Specialists

Practicing in Grand Junction, CO (1245 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

89.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (22 Years) 22 Yrs

Grand Junction Specialty Average (23.1 Years) 23.1 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
36620 Insertion of artery tube for blood sampling or infusion through skin	43	43	$462.00	$42.57
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	22	21	$1281.00	$155.78
93312 Ultrasound of heart with probe in esophagus, with report	21	21	$924.00	$102.88
93503 Insertion of tube in pulmonary artery for monitoring	13	13	$1540.00	$84.25
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	11	11	$924.00	$60.39
00560 Anesthesia for procedure on heart and large blood vessels	11	11	$4172.00	$545.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	41	41	$462.00	$43.52
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	22	21	$1204.00	$150.41
93312 Ultrasound of heart with probe in esophagus, with report	18	18	$924.00	$105.11
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	14	14	$924.00	$62.51
93503 Insertion of tube in pulmonary artery for monitoring	12	12	$1540.00	$85.81
00142 Anesthesia for lens surgery	12	12	$1116.50	$135.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	56	56	$462.00	$43.80
93312 Ultrasound of heart with probe in esophagus, with report	24	24	$924.00	$108.29
00537 Anesthesia for procedure to assess heart electrical activity	18	18	$3319.56	$441.42
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	15	15	$924.00	$54.72
00142 Anesthesia for lens surgery	15	15	$1026.67	$127.60
00560 Anesthesia for procedure on heart and large blood vessels	14	14	$3960.00	$532.56
93503 Insertion of tube in pulmonary artery for monitoring	13	13	$1540.00	$87.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	45	44	$420.00	$44.64
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	22	22	$1074.18	$154.28
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	17	17	$140.00	$31.41
93503 Insertion of tube in pulmonary artery for monitoring	13	13	$1400.00	$88.29
93312 Ultrasound of heart with probe in esophagus, with report	13	13	$840.00	$109.78
00142 Anesthesia for lens surgery	13	13	$893.85	$121.82
00562 Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older)	11	11	$6490.91	$977.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	34	33	$420.00	$45.85
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	18	18	$140.00	$32.30
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	17	17	$1087.88	$158.07
64488 Injections of local anesthetic for pain control and abdominal wall analgesia on both sides	15	15	$837.33	$66.91
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	13	13	$2320.77	$351.11
93313 Insertion of probe in esophagus for heart ultrasound	12	12	$280.00	$11.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	31	30	$420.00	$46.16
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	31	31	$1042.77	$151.84
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	18	18	$140.00	$32.82
93313 Insertion of probe in esophagus for heart ultrasound	12	12	$280.00	$11.91
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	11	11	$2115.27	$326.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	41	41	$420.00	$45.22
00142 Anesthesia for lens surgery	29	29	$844.83	$118.55
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	18	17	$140.00	$32.78
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	18	18	$1088.89	$158.06
93313 Insertion of probe in esophagus for heart ultrasound	17	17	$280.00	$11.75
93503 Insertion of tube in pulmonary artery for monitoring	16	16	$1400.00	$106.70
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter	14	14	$1680.00	$67.78
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	13	13	$560.00	$100.75
00400 Anesthesia for procedure on skin of arms, legs, or trunk	13	13	$958.46	$136.45
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	12	12	$2228.33	$339.54
00562 Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older)	11	11	$6350.91	$985.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36620 Insertion of artery tube for blood sampling or infusion through skin	36	36	$403.08	$52.26
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	21	21	$1048.67	$157.99
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	21	21	$133.67	$32.68
00142 Anesthesia for lens surgery	17	17	$817.76	$114.31
93503 Insertion of tube in pulmonary artery for monitoring	11	11	$1349.09	$131.18

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CO 42424

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

02181347 (CO)

Commercial Insurance / Payer ID Kaiser-Commercial Number

015303

Hospital & Practice Group Affiliations

Anesthesia Consultants Of Western Colorado, Pllc

2635 N 7th St, Grand Junction, CO 815018209

Phone: 9702982273

Practice Associates & Co-Workers

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

9 Associated Practitioners

Dr. Kevin Keller , MD

Anesthesiology

NPI 1083645824

Doctor of Medicine (M.D.)

Dr. Daniel Nelson , MD

Anesthesiology

NPI 1093775728

Doctor of Medicine (M.D.)

Dr. Dennis Johnson , MD

Anesthesiology

NPI 1235199803

Doctor of Medicine (M.D.)

Dr. John Rapiejko , DO

Anesthesiology

NPI 1649428426

Doctor of Osteopathic Medicine (D.O.)

Dr. Archie Magee , MD

Anesthesiology

NPI 1801856547

Doctor of Medicine (M.D.)

Dr. Philip Bowen , MD

Anesthesiology

NPI 1831159557

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 February 17, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location February 17, 2010

Registered at 2635 N 7TH ST, GRAND JUNCTION, CO 815018209 (Tel: 9702442506)

📍

Updated Business Mailing Address February 17, 2010

Registered at 1120 WELLINGTON AVE STE 206, GRAND JUNCTION, CO 815016131 (Tel: 9702437245)

👤

Provider Name / Credentials Updated February 17, 2010

Recorded as NATHAN WILLIAMS

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 17, 2010

Anesthesiology (License #42424 in CO)

🟢

Initial NPI Registration & Enumeration February 27, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1346377355

Entity Type:

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

Enumeration Date: February 27, 2007

Last Update: February 17, 2010

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1120 Wellington Ave Ste 206

Grand Junction, CO 815016131

Phone: 9702437245

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.