MS. TAMMY L RISTAU CRNP
NPI 1730144122
Nurse Practitioner in Sheffield, PA

Active since April 19, 2006PECOS EnrolledAccepts Medicare Assignment
67.41/100
CMS Quality Rating
511 SOUTH MAIN STREET, SHEFFIELD, PA 16347(814) 584-1130(814) 584-1133 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 3, 2021, Aug 12, 2020 (2 updates tracked since 2020).

About Ms. Tammy L Ristau Crnp NPPES

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

MS. TAMMY L RISTAU CRNP (NPI 1730144122) is an individual nurse practitioner in Sheffield, Pennsylvania, licensed in Pennsylvania (SP008551) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Warren General Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1730144122
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. TAMMY L RISTAUCredential: CRNP
Location Address511 SOUTH MAIN STREETSheffield, PA 16347-2111
Mailing Address511 South Main StreetSheffield, PA 16347 · (814) 584-1130 · Fax (814) 584-1133
Fax(814) 584-1133
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateApril 19, 2006
Last NPPES UpdateDecember 3, 20212 updates tracked since enumeration
NPPES CertifiedNovember 24, 2021
NPI 1730144122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in PA · SP008551
Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

511 SOUTH MAIN STREET, Sheffield, PA 16347

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Tammy L Ristau 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 ID4688697428
PECOS Enrollment IDI20060109000264
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
85 services66 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Warren General Hospital

Acute Care Hospitals · Warren, PA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390146
LocationTwo Crescent Park WestWarren, PA 16365 · Warren County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 16347 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

67.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.37
Improvement Activities40
Cost56.67

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
3 suppliers15 claims35 services$5.43 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers15 claims15 services$17.05 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
3 suppliers26 claims26 services$8.20 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers25 claims26 services$109.41 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
3 suppliers13 claims13 services$25.97 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

Clinic/Center (Rural Health)
511 SOUTH MAIN STREET
SHEFFIELD, PA 16347

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 Tammy Ristau's NPI number?

The NPI number for Tammy Ristau is 1730144122. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Tammy Ristau located?

Tammy Ristau practices at 511 South Main Street, Sheffield, PA 16347. The listed phone number is (814) 584-1130.

What is Tammy Ristau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Tammy Ristau enrolled in Medicare?

Yes. Tammy Ristau 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.

Is Tammy Ristau affiliated with any hospitals?

According to CMS data, Tammy Ristau is affiliated with Warren General Hospital.

When was this NPI record last updated?

The NPPES record for Tammy Ristau was last updated on December 3, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.