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ANN M GRIESACKER CRNP
NPI 1437442993
Nurse Practitioner - Psychiatric/Mental Health in Erie, PA

Active since May 17, 2011PECOS EnrolledAccepts Medicare Assignment
3250 W. LAKE RD, SUITE 1, ERIE, PA 16505(814) 454-1085(814) 240-3976 Get Directions Write a Review

NPPES record last updated: January 24, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 24, 2023, Jul 19, 2019 (2 updates tracked since 2019).

About Ann M Griesacker Crnp NPPES

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

ANN M GRIESACKER CRNP (NPI 1437442993) is an individual psychiatric/mental health provider in Erie, Pennsylvania, licensed in Pennsylvania (SP011370) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1437442993
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameANN M GRIESACKERCredential: CRNP
Location Address3250 W. LAKE RD, SUITE 1Erie, PA 16505-3691
Mailing Address3250 W. Lake Rd, Suite 1Erie, PA 16505-3691 · (814) 790-4567 · Fax (814) 295-4074
Phone(814) 454-1085
Fax(814) 240-3976
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateMay 17, 2011
Last NPPES UpdateJanuary 24, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 24, 2023
✔ NPI 1437442993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in PA · SP011370
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License SP011370 (PA)
3250 W. LAKE RD, Erie, PA 16505
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ann M Griesacker Crnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628211927
PECOS Enrollment IDI20130906000173
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

3

Medicare enrollment records show Ann Griesacker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bay City Psychiatry, LLC
Same address
Psychiatry
3250 W. LAKE RD, SUITE 1
Erie, PA 16505
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7 clinicians in this Medicare group
NPI 1770991499 (814) 454-1085
Center For Focused Care.
Same address
Psychiatry
3250 W. LAKE RD, SUITE 2
Erie, PA 16505
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 11 clinicians in this Medicare group
NPI 1770070096 (814) 790-4567
Millcreek Community Hospital
3.0 mi
Psychiatry
2222 W GRANDVIEW BLVD
Erie, PA 16506
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Also billed through NPI 1245865815 (Pennsylvania), NPI 1578198941 (Pennsylvania)
  • 19 clinicians in this Medicare group
NPI 1396692422 (814) 454-3174

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 16505 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARRIE MARIE FUHRER LPC, NCC
Counselor (Professional)
3250 W. LAKE RD, SUITE 1
ERIE, PA 16505
Erie County (814) 790-4567
DR. MATHEW W SIPPLE D.O.
Psychiatry & Neurology (Psychiatry)
3250 W. LAKE RD, SUITE 2
ERIE, PA 16505
Erie County (814) 790-4567
CENTER FOR FOCUSED CARE.
Psychiatry & Neurology (Psychiatry)
3250 W. LAKE RD, SUITE 2
ERIE, PA 16505
Erie County (814) 790-4567
BAY CITY PSYCHIATRY, LLC
Psychiatry & Neurology (Psychiatry)
3250 W. LAKE RD, SUITE 1
ERIE, PA 16505
Erie County (814) 454-1085

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 Ann Griesacker's NPI number?

The NPI number for Ann Griesacker is 1437442993. It was assigned to this individual provider in the NPPES registry on May 17, 2011.

Where is Ann Griesacker located?

Ann Griesacker practices at 3250 W. Lake Rd Suite 1, Erie, PA 16505. The listed phone number is (814) 454-1085.

What is Ann Griesacker's specialty?

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

Is Ann Griesacker enrolled in Medicare?

Yes. Ann Griesacker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ann Griesacker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Griesacker reassigns Medicare benefits to 3 organizations: Bay City Psychiatry, LLC (Erie, PA), Center For Focused Care. (Erie, PA) and Millcreek Community Hospital (Erie, PA). 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 Ann Griesacker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ann Griesacker was last updated on January 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.