Active NPI 1316461296 Individual Practitioner Female Practitioner

Sondra Williams , PA

Physician Assistant • Flagstaff, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Sondra Williams, PA is a certified Physician Assistant practicing in Flagstaff, AZ. With approximately 9 years of clinical experience since completing medical education in 2017, Sondra Williams delivers high-quality medical care to the local community at 2000 S THOMPSON ST.

Sondra Williams is affiliated with Kayenta Alternative Rural Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, telephone medical discussion with physician, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2000 S Thompson St

Flagstaff, AZ 860018759

Telephone 9282266400

Fax 9282266401

Associated Practice Facility / Clinic

🏢 Mountain Heart Cath Lab Facility NPI 1194988824

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Flagstaff, AZ

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

9 Yrs -0.9 yrs vs City Avg

City Avg: 9.9 Yrs

State Avg: 12.5 Yrs

Regional Practice Density

64 Specialists

Practicing in Flagstaff, AZ (3711 Statewide)

Telehealth Adoption Rate

29.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

50.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (9 Years) 9 Yrs

Flagstaff Specialty Average (9.9 Years) 9.9 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	17	16	$211.00	$104.71

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	178	147	$211.00	$103.16
99213 Established patient office or other outpatient visit, typically 15 minutes	81	74	$143.00	$72.72
99442 Telephone medical discussion with physician, 11-20 minutes	34	32	$141.00	$56.12
99443 Telephone medical discussion with physician, 21-30 minutes	27	25	$198.00	$80.87
99441 Telephone medical discussion with physician, 5-10 minutes	11	11	$83.00	$30.28

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	300	224	$211.00	$105.99
99213 Established patient office or other outpatient visit, typically 15 minutes	42	41	$143.00	$74.74
99443 Telephone medical discussion with physician, 21-30 minutes	39	38	$198.00	$88.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	24	$286.00	$150.03
99442 Telephone medical discussion with physician, 11-20 minutes	13	13	$141.00	$59.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$324.00	$138.87

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	248	190	$211.00	$108.45
99213 Established patient office or other outpatient visit, typically 15 minutes	84	80	$143.00	$76.36
99443 Telephone medical discussion with physician, 21-30 minutes	69	61	$198.00	$108.71
93000 Routine ekg using at least 12 leads including interpretation and report	54	53	$47.00	$12.27
99442 Telephone medical discussion with physician, 11-20 minutes	52	49	$141.00	$76.61

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	654	292	$501.88	$90.17
99213 Established patient office or other outpatient visit, typically 15 minutes	239	176	$328.62	$61.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	144	144	$697.22	$136.24
20610 Aspiration and/or injection of fluid from large joint	30	14	$287.80	$62.78

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	258	$433.12	$90.41
99213 Established patient office or other outpatient visit, typically 15 minutes	119	103	$161.76	$61.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	88	88	$506.82	$136.77
72100 X-ray of lower and sacral spine, 2-3 views	26	25	$158.00	$30.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	148	117	$152.00	$60.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	131	112	$228.00	$89.80
22614 Fusion of additional segment of spine	55	17	$529.00	$53.12
72100 X-ray of lower and sacral spine, 2-3 views	50	48	$158.00	$29.07
63048 Partial removal of spine bone with release of spinal cord and/or nerves	25	12	$904.64	$28.70
22612 Fusion of spine in lower back	14	14	$2000.00	$214.73
22842 Placement of stabilizing device to back, 3-6 spine bone segments	14	14	$2500.00	$103.67
72040 X-ray of upper spine, 2-3 views	12	12	$144.00	$27.59
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	12	12	$2500.00	$80.58

Medical Specialties & State Licenses

CMS Verified: 2021-01-15

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License AZ 6841

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Kayenta Alternative Rural Hospital

Us Hwy 160, Dennehotso, AZ 865352000

Phone: 9286974000

Kayenta Alternative Rural Hospital

Us Hwy 160 S, Kayenta, AZ 860330368

Phone: 9286974000

Practice Associates & Co-Workers

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

30 Associated Practitioners

Dr. Sarah Salce , DNP

Nurse Practitioner - Acute Care

NPI 1003337981

Doctor of Nursing Practice

Bruce Mortensen , PA

Physician Assistant

NPI 1013305283

Physician Assistant

Dr. Thomas Meade , MD

Internal Medicine - Clinical Cardiac Electrophysiology

NPI 1083674576

Doctor of Medicine (M.D.)

Amy Taylor , ACNPC-AG, FNP

Nurse Practitioner - Acute Care

NPI 1114397957

ACNPCAG, Family Nurse Practitioner

Michael Hilburn , FNP-C

Nurse Practitioner - Family

NPI 1154082840

Family Nurse Practitioner (Certified)

Dr. Renzo Cataldo , MD

Internal Medicine - Clinical Cardiac Electrophysiology

NPI 1174526677

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

📍

Updated Practice Location January 15, 2021

Registered at 2000 S THOMPSON ST, FLAGSTAFF, AZ 860018759 (Tel: 9282266400)

📍

Updated Business Mailing Address January 15, 2021

Registered at 1200 N BEAVER ST, FLAGSTAFF, AZ 860013118 (Tel: 9282136235)

📍

Updated Practice Location July 29, 2019

Registered at 705 N LEROUX ST, FLAGSTAFF, AZ 860013225 (Tel: 9287743919)

📍

Updated Business Mailing Address July 29, 2019

Registered at 705 N LEROUX ST, FLAGSTAFF, AZ 860013225 (Tel: 9287743919)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 29, 2019

Physician Assistant (License #6841 in AZ)

✅

NPI Profile Active August 01, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location August 01, 2017

Registered at 890 W ELLIOT RD, GILBERT, AZ 852335102 (Tel: 4805452787)

📍

Updated Business Mailing Address August 01, 2017

Registered at 12917 E RED IRON TRL, VAIL, AZ 856416668 (Tel: 5209870087)

👤

Provider Name / Credentials Updated August 01, 2017

Recorded as SONDRA WILLIAMS, PA

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 01, 2017

Physician Assistant

🟢

Initial NPI Registration & Enumeration August 01, 2017

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: 1316461296

Entity Type:

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

Enumeration Date: August 01, 2017

Last Update: January 15, 2021

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1200 N Beaver St

Flagstaff, AZ 860013118

Phone: 9282136235

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.