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NEELAM SIDDIQ THOMAS
NPI 1598311656
Nurse Practitioner - Psychiatric/Mental Health in Waterloo, IA

Active since August 14, 2019PECOS Enrolled
531 COMMERCIAL ST STE 700800, WATERLOO, IA 50701(515) 209-5009(319) 253-3954 Get Directions Write a Review

NPPES record last updated: October 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 18, 2024, Mar 8, 2024, Aug 14, 2019 (3 updates tracked since 2019).

About Neelam Siddiq Thomas NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NEELAM SIDDIQ THOMAS (NPI 1598311656) is an individual psychiatric/mental health provider in Waterloo, Iowa, licensed in Iowa (G155981) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598311656
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameNEELAM SIDDIQ THOMAS
Location Address531 COMMERCIAL ST STE 700800Waterloo, IA 50701-5440
Mailing Address531 Commercial St Ste 700800Waterloo, IA 50701-5440 · (515) 209-5009 · Fax (319) 253-3954
Phone(515) 209-5009
Fax(319) 253-3954
Sole ProprietorYes
Enumeration DateAugust 14, 2019
Last NPPES UpdateOctober 17, 20253 updates tracked since enumeration
NPPES CertifiedOctober 17, 2025
✔ NPI 1598311656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in IA · G155981
531 COMMERCIAL ST STE 700800, Waterloo, IA 50701
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Neelam Siddiq Thomas is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Neelam Thomas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neelam Siddiq Thomas Plc
Same address
Psychiatric/Mental Health
531 COMMERCIAL ST STE 700
Waterloo, IA 50701
  • Reassigned Medicare billing, Iowa enrollment
  • Medicare enrollment name: Rael Thomas Plc
  • 2 clinicians in this Medicare group
NPI 1790429926 (515) 209-5009
Allen Memorial Hospital Corporation
2.2 mi
Emergency Medicine
1825 LOGAN AVE
Waterloo, IA 50703
  • Reassigned Medicare billing, Iowa enrollment
  • 273 clinicians in this Medicare group
NPI 1346292521 (319) 235-3941

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Neelam Thomas's NPI number?

The NPI number for Neelam Thomas is 1598311656. It was assigned to this individual provider in the NPPES registry on August 14, 2019.

Where is Neelam Thomas located?

Neelam Thomas practices at 531 Commercial St Ste 700800, Waterloo, IA 50701. The listed phone number is (515) 209-5009.

What is Neelam Thomas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Neelam Thomas enrolled in Medicare?

Yes. Neelam Thomas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Neelam Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Neelam Thomas reassigns Medicare benefits to 2 organizations: Neelam Siddiq Thomas Plc (Waterloo, IA) and Allen Memorial Hospital Corporation (Waterloo, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Neelam Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Neelam Thomas accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and HealthPartners and 3 other insurers list Neelam Thomas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Neelam Thomas was last updated on October 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.