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LESLIE KLINEFELTER CRNP
NPI 1891978425
Nurse Practitioner - Family in Philadelphia, PA

Active since December 05, 2007PECOS EnrolledAccepts Medicare Assignment
500 ADAMS AVE, PHILADELPHIA, PA 19120(215) 279-9666(215) 279-9674 Get Directions Write a Review

NPPES record last updated: December 5, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Leslie Klinefelter Crnp NPPES

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

LESLIE KLINEFELTER CRNP (NPI 1891978425) is an individual family provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP003575B) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS, is affiliated with Albert Einstein Medical Center, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1995).

NPPES Registry Identity

NPI1891978425
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameLESLIE KLINEFELTERCredential: CRNP
Location Address500 ADAMS AVEPhiladelphia, PA 19120-2102
Mailing Address500 Adams AvePhiladelphia, PA 19120-2102 · (215) 279-9666 · Fax (215) 279-9674
Phone(215) 279-9666
Fax(215) 279-9674
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1995
Enumeration DateDecember 5, 2007
✔ NPI 1891978425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in PA · SP003575B
500 ADAMS AVE, Philadelphia, PA 19120
Open in Google Maps ↗

Other Identifiers 1

Medicare PIN054634PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

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

Leslie Klinefelter 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 ID7315017605
PECOS Enrollment IDI20080529000209
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 Leslie Klinefelter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Einstein Practice Plan, Inc
0.5 mi
Obstetrics & Gynecology
101 E OLNEY AVE, SUITE 400
Philadelphia, PA 19120
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,205 clinicians in this Medicare group
NPI 1154355220 (215) 456-7000
Einstein Community Health Associates, Inc
0.5 mi
Family Medicine
101 E OLNEY AVE, SUITE 400
Phila, PA 19120
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 289 clinicians in this Medicare group
NPI 1558316109 (215) 456-7000

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

Areas of Expertise CMS Part B claims 7

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.
144 services92 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
58 services46 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
55 services50 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
25 services25 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
20 services15 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

Albert Einstein Medical Center

Acute Care Hospitals · Philadelphia, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390142
Location5501 Old York RoadPhiladelphia, PA 19141 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19120 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
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

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

HANH NGO
Registered Nurse
500 ADAMS AVE
PHILADELPHIA, PA 19120
Philadelphia County (215) 279-9666

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 Leslie Klinefelter's NPI number?

The NPI number for Leslie Klinefelter is 1891978425. It was assigned to this individual provider in the NPPES registry on December 5, 2007.

Where is Leslie Klinefelter located?

Leslie Klinefelter practices at 500 Adams Ave, Philadelphia, PA 19120. The listed phone number is (215) 279-9666.

What is Leslie Klinefelter's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Leslie Klinefelter enrolled in Medicare?

Yes. Leslie Klinefelter 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 Leslie Klinefelter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Klinefelter reassigns Medicare benefits to 2 organizations: Einstein Practice Plan, Inc (Philadelphia, PA) and Einstein Community Health Associates, Inc (Phila, 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 Leslie Klinefelter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leslie Klinefelter accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Leslie Klinefelter 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.

Is Leslie Klinefelter affiliated with any hospitals?

According to CMS data, Leslie Klinefelter is affiliated with Albert Einstein Medical Center.

When was this NPI record last updated?

The NPPES record for Leslie Klinefelter was last updated on December 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.