TAMIKA Y WALLEN – Psychiatric/Mental Health Clinical Nurse Specialist, NPI 1437250115

TAMIKA Y WALLEN is a healthcare provider. based in Worcester, Massachusetts. specializing in CERTIFIED CLINICAL NURSE SPECIALIST (CNS). They hold a License No. RN230540 (MA). The NPI Number for TAMIKA Y WALLEN is 1437250115

Main info

Female
26 Years Of Experience
Accepts Medicare Assignment
Name
TAMIKA Y WALLEN
NPI
1437250115
Phone
(774) 442-3058
Address
55 Lake Ave N
Enumeration Date
26 September 2006
Last Update Date
11 February 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5083341000
Graduation Year
2000 (26 years ago)
PAC ID
3476519349
Group Practice PAC ID
4284539891
Professional Enrollment ID
I20041203000021
Address ID
MA016550002WO55XXXNXXX400

Contacts

FHIR Endpoint
https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Secure Messaging
twallen8312@UmassMemorial.direct-ci.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness95
Years active:19State licenses:2Other names

199 CERTIFIED CLINICAL NURSE SPECIALIST (CNS) in MA

Provider Addresses for TAMIKA Y WALLEN

  • 55 Lake Ave N

    Worcester, MA 016550002

    Phone: (774) 442-3058

    Type: Location

  • 340 THOMPSON RD

    WEBSTER, MA 015701509

    Phone: (508) 640-2991

    Fax: (508) 943-2605

    Type: Location

  • Hood Medical Library, 157, Union Street, Marlborough, Middlesex County, Massachusetts, 01752, United States

    MARLBOROUGH, MA 017521228

    Phone: (508) 486-5544

    Fax: (508) 229-1214

    Type: Location

  • PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States

    BOSTON, MA 022415348

    Phone: (800) 225-8885

    Fax: (508) 334-1977

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $97.

Total Amount is formed as General ($97) + Research ($0) + Ownership ($0) = $97.

Last reported payment date: 2024-03-12 • Largest payer in this snapshot: Alkermes, Inc. ($97).

Total Amount

$97

General + Research + Ownership

Payments

1

Total payment records

General Amount

$97

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-03-12

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Alkermes, Inc.$97
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-12-03

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20041203000021ICertified Clinical Nurse Specialist (Cns)MATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes18525$0
99239Hospital discharge day management, more than 30 minutes1717$0
90791Psychiatric diagnostic evaluation1413$0
90792Psychiatric diagnostic evaluation with medical services1414$0
View full utilization report →

Insurance plans in this area (ZIP 01655)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4284539891View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)MA
-MA
-MA
Family PracticeMA
Physician AssistantMA
Pulmonary Disease, Critical Care (Intensivists), Allergy/ImmunologyMA
-MA
-MA
Internal MedicineMA
Nurse PractitionerMA

Reviews

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Frequently asked questions

What is the 10-digit NPI for TAMIKA Y WALLEN?
TAMIKA Y WALLEN — NPI 1437250115 — is the standard way to identify this listing.
Can I rely on TAMIKA Y WALLEN being an active provider?
As of the registry snapshot, TAMIKA Y WALLEN is marked active.
What taxonomy line describes TAMIKA Y WALLEN?
For research purposes, treat TAMIKA Y WALLEN as Psychiatric/Mental Health Clinical Nurse Specialist in this dataset. Clinical services aligned with this taxonomy classification.
Where should I expect TAMIKA Y WALLEN on a map?
Expect Worcester, Massachusetts as a primary anchor for TAMIKA Y WALLEN unless the record lists multiple sites.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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