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Active NPI 1336013978 Individual Practitioner Female Practitioner

Tammy K Vanderwerf

Doula • Waterloo, IA

Professional Overview & Biography Verified Profile Summary

Tammy Vanderwerf is a registered healthcare professional specializing in Doula in Waterloo, IA. Practice services are available at 1600 ASPEN DR under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1600 Aspen Dr

Waterloo, IA 507013567

Telephone 3196101465

Specialty Benchmarks & Practice Insights

Comparative analytics for Doula in Waterloo, IA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 10.2 Yrs
Regional Practice Density
7 Specialists

Practicing in Waterloo, IA (120 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-10-04
Doula Primary Specialty

NUCC Taxonomy Code: 374J00000X

Doulas work in a variety of settings and have been trained to provide physical, emotional, and informational support to a mother before, during, and just after birth and/or provide emotional and practical support to a mother during the postpartum period.

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active October 04, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location October 04, 2025

Registered at 1600 ASPEN DR, WATERLOO, IA 507013567 (Tel: 3196101465)

📍
Updated Business Mailing Address October 04, 2025

Registered at 1600 ASPEN DR, WATERLOO, IA 507013567 (Tel: 3196101465)

👤
Provider Name / Credentials Updated October 04, 2025

Recorded as TAMMY VANDERWERF

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 04, 2025

Doula

🟢
Initial NPI Registration & Enumeration October 04, 2025

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: 1336013978
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 04, 2025
Last Update: October 04, 2025
Sole Proprietor: Yes

Mailing Address

1600 Aspen Dr

Waterloo, IA 507013567

Phone: 3196101465

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.