MS. TAMMY L HARDING- ANDERER (CRNP) – Nurse Practitioner, NPI 1265406409

MS. TAMMY L HARDING- ANDERER (CRNP) is a healthcare provider. based in Danville, Pennsylvania. specializing in NURSE PRACTITIONER. They hold the professional credentials CRNP. They hold a License No. SP003667B (PA). The NPI Number for MS. TAMMY L HARDING- ANDERER (CRNP) is 1265406409

Main info

Female
30 Years Of Experience
Accepts Medicare Assignment
Name
MS. TAMMY L HARDING- ANDERER (CRNP)
NPI
1265406409
Phone
(570) 271-6144
Address
100 N ACADEMY AVE
Enumeration Date
15 February 2006
Last Update Date
24 August 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5707487714
Graduation Year
1996 (30 years ago)
PAC ID
8527050541
Group Practice PAC ID
1355676370
Professional Enrollment ID
I20040331000852
Address ID
PA177453033LO955XXAVEX300

Contacts

Secure Messaging
tanderer62795@direct.geisinger.edu
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

11,469 NURSE PRACTITIONER in PA

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Provider Addresses for MS. TAMMY L HARDING- ANDERER (CRNP)

  • Geisinger Medical Center Danville, 100, North Academy Avenue, Danville, Montour County, Pennsylvania, 17822, United States

    DANVILLE, PA 178224903

    Phone: (570) 271-6144

    Fax: (570) 271-6578

    Type: Mailing

  • 780, Broad Street, Montoursville, Lycoming County, Pennsylvania, 17754, United States

    MONTOURSVILLE, PA 177542419

    Phone: (570) 368-2870

    Fax: (570) 368-4463

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2004-03-31

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
I20040331000852INurse PractitionerPATBD

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
99284Emergency department visit with moderate level of medical decision making1717$0
View full utilization report →

Insurance plans in this area (ZIP 17822)

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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: 1355676370View full group profile

Reviews

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Frequently asked questions

What is the standard ID for MS. TAMMY L HARDING- ANDERER (CRNP) in the U.S.?
In the U.S., MS. TAMMY L HARDING- ANDERER (CRNP) is identified by NPI 1265406409.
Is MS. TAMMY L HARDING- ANDERER (CRNP) currently accepting referrals based on NPI status?
Registry metadata lists MS. TAMMY L HARDING- ANDERER (CRNP) as active.
What does the directory say MS. TAMMY L HARDING- ANDERER (CRNP) does?
Insurance directories may phrase it differently, but here MS. TAMMY L HARDING- ANDERER (CRNP) maps to Nurse Practitioner. Clinical services aligned with this taxonomy classification.
What geographic area is tied to MS. TAMMY L HARDING- ANDERER (CRNP)?
MS. TAMMY L HARDING- ANDERER (CRNP) is associated with Danville, Pennsylvania in the same public data insurers reference.
Why is information missing for MS. TAMMY L HARDING- ANDERER (CRNP)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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