Active NPI 1275563397 Individual Practitioner Male Practitioner

Dr. Willem J Van Der Werf , MD

Transplant Surgery • Phoenix, AZ

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Willem Van Der Werf, MD is a registered Transplant Surgery practitioner in Phoenix, AZ. With approximately 38 years of clinical practice since graduating from University Of California, San Francisco School Of Medicine in 1988, Dr. Van Der Werf provides healthcare services at the registered practice location at 2218 N 3RD ST.

Dr. Van Der Werf maintains professional affiliations with Arizona Transplant Associates Pc, St. Joseph'S Hospital And Medical Center and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, new patient outpatient office visit, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2218 N 3rd St

Phoenix, AZ 850041401

Telephone 6022522543

Fax 6022523861

Associated Practice Facility / Clinic

🏢 Arizona Transplant Associates, Pc Facility NPI 1447344908

Medicare Profile & Education

Medical School

University Of California, San Francisco School Of Medicine

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Transplant Surgery in Phoenix, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs +9.3 yrs vs City Avg

City Avg: 28.7 Yrs

State Avg: 23.8 Yrs

Regional Practice Density

9 Specialists

Practicing in Phoenix, AZ (29 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

55.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Van Der Werf (38 Years) 38 Yrs

Phoenix Specialty Average (28.7 Years) 28.7 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	41	23	$168.61	$75.23

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	72	29	$175.63	$75.96
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	19	19	$488.00	$212.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$461.82	$168.06

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	59	18	$162.32	$69.22
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$488.00	$216.17

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	116	34	$163.69	$70.41
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	$488.00	$210.38
38747 Removal of lymph nodes of abdominal organ	12	12	$780.67	$190.63
50605 Insertion of stent in ureter	11	11	$2528.82	$344.30
50360 Transplantation of donor kidney	11	11	$5947.64	$1637.24

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	187	39	$170.13	$72.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$404.00	$142.83

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	127	45	$169.65	$71.57
99213 Established patient office or other outpatient visit, typically 15 minutes	22	17	$178.00	$50.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$404.00	$154.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	19	$470.05	$198.98
50605 Insertion of stent in ureter	17	17	$2994.41	$470.04
50360 Transplantation of donor kidney	17	17	$6770.76	$2280.15
99221 Initial hospital inpatient care per day, typically 30 minutes	14	13	$274.43	$99.58
50323 Preparation of donor kidney for transplantation	13	13	$1056.92	$89.65
38747 Removal of lymph nodes of abdominal organ	11	11	$860.00	$124.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$263.00	$106.48

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	192	56	$161.00	$71.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$399.25	$160.18
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	26	26	$452.00	$198.39
47760 Connection of bile duct to small bowel	14	14	$5597.43	$591.80
48150 Partial removal of pancreas, bile duct and small bowel with connection of pancreas to small bowel	14	14	$8387.50	$1779.38
50360 Transplantation of donor kidney	12	12	$5822.67	$1914.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$263.00	$104.78
50605 Insertion of stent in ureter	12	12	$2725.75	$392.86

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	209	53	$161.00	$71.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$404.00	$152.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	21	$108.00	$25.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	29	$452.00	$200.10

Medical Specialties & State Licenses

CMS Verified: 2024-11-12

Transplant Surgery Primary Specialty

NUCC Taxonomy Code: 204F00000X

State License AZ 49927

A surgeon who specializes in transplant surgery.

Specialist

NUCC Taxonomy Code: 174400000X

State License UT 5249271205

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

119626000 (WY)

Medicaid State Provider ID

806894300 (ID)

Commercial Insurance / Payer ID Altius

QM000006442

Commercial Insurance / Payer ID Cigna

4658850

Commercial Insurance / Payer ID Blue Cross Blue Shield

52492781200001

Commercial Insurance / Payer ID Molina

TPRA07781

Hospital & Practice Group Affiliations

St. Joseph's Hospital And Medical Center

350 W Thomas Rd, Phoenix, AZ 850134409

Phone: 6024063000

Arizona Transplant Associates Pc

2218 N 3rd St, Phoenix, AZ 850041401

Phone: 6022522543

Secondary Practice Locations

500 W Thomas Rd Ste 300

Phoenix, AZ 850134294

Phone: 6024068000

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Lawrence Koep , MD

Transplant Surgery

NPI 1215932322

Doctor of Medicine (M.D.)

Dr. Jeffrey Brink , MD

Transplant Surgery

NPI 1417952516

Doctor of Medicine (M.D.)

Dr. Thomas Chaly , MD

Transplant Surgery

NPI 1558525741

Doctor of Medicine (M.D.)

Dr. James Cashman , MD

Transplant Surgery

NPI 1568467678

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location October 08, 2020

Registered at 2218 N 3RD ST, PHOENIX, AZ 850041401 (Tel: 6022522543)

📍

Updated Business Mailing Address October 08, 2020

Registered at 2218 N 3RD ST, PHOENIX, AZ 850041401 (Tel: 6022522543)

✅

NPI Profile Active January 09, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location January 09, 2008

Registered at 1250 E 3900 S STE 220, SALT LAKE CITY, UT 841241369 (Tel: 8012629782)

📍

Updated Business Mailing Address January 09, 2008

Registered at 1250 E 3900 S STE 220, SALT LAKE CITY, UT 841241369 (Tel: 8012629782)

👤

Provider Name / Credentials Updated January 09, 2008

Recorded as WILLEM VAN DER WERF, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 09, 2008

Specialist (License #5249271205 in UT)

🟢

Initial NPI Registration & Enumeration July 04, 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: 1275563397

Entity Type:

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

Enumeration Date: July 04, 2006

Last Update: November 12, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2218 N 3rd St

Phoenix, AZ 850041401

Phone: 6022522543

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.