DR. CHRISTOS KALLIS MB.BS
NPI 1649684572
Internal Medicine - Nephrology in Philadelphia, PA

Q: What is Christos Kallis's NPI number?

The NPI number for Christos Kallis is 1649684572. It was assigned to this individual provider in the NPPES registry on June 18, 2014.

Q: What is Christos Kallis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Christos Kallis was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since June 18, 2014PECOS Enrolled

5501 OLD YORK RD, ALBERT EINSTEIN MEDICAL CENTER, PHILADELPHIA, PA 19141(800) 220-2362(215) 456-7926 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Jun 9, 2022, Jul 4, 2019 and 2 more (5 updates tracked since 2017).

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About Dr. Christos Kallis Mb.bs NPPES

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

DR. CHRISTOS KALLIS MB.BS (NPI 1649684572) is an individual nephrology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD466611) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1649684572

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. CHRISTOS KALLISCredential: MB.BS

Location Address5501 OLD YORK RD, ALBERT EINSTEIN MEDICAL CENTERPhiladelphia, PA 19141-3018

Mailing Address3400 Civic Center Blvd, South Pavilion Expansion, University Of Pennsylvania Health SystemPhiladelphia, PA 19104-5127 · (215) 615-1677 · Fax (215) 615-1688

Phone(800) 220-2362

Fax(215) 456-7926

Sole ProprietorNo

Enumeration DateJune 18, 2014

Last NPPES UpdateJuly 21, 20225 updates tracked since enumeration

NPPES CertifiedJune 9, 2022

✔ NPI 1649684572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in PA · MD466611

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

5501 OLD YORK RD, Philadelphia, PA 19141

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Secondary Practice Location 1

Location 13400 Spruce StPhiladelphia, PA 19104-4238 · Phone (215) 615-1677 · Fax (215) 615-1688

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Christos Kallis Mb.bs is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Christos Kallis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Einstein Practice Plan, Inc

Same address

Medical Toxicology

5501 OLD YORK RD
Philadelphia, PA 19141

Reassigned Medicare billing, Pennsylvania enrollment
1,205 clinicians in this Medicare group

NPI 1396327151 (215) 456-6666

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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

168 services75 patients

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.

80 services53 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

52 services49 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

32 services16 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

21 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19141 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

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

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 20

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

KENNETH KLECKNER MD

Emergency Medicine

5501 OLD YORK RD, EINSTEIN MEDICAL CENTER - PHILADELPHIA
PHILADELPHIA, PA 19141

Philadelphia County (215) 456-6679

MS. AMMAN HASSAN MD

Pediatrics

5501 OLD YORK RD
PHILADELPHIA, PA 19141

Philadelphia County (215) 456-3810

TAYLOR NICOLE THOMPSON PA-C

Physician Assistant (Medical)

5501 OLD YORK RD, KORMAN BUILDING SUITE 202
PHILADELPHIA, PA 19141

Philadelphia County (215) 254-2630

STEPHEN RYAN CHEN

Orthopaedic Surgery

5501 OLD YORK RD
PHILADELPHIA, PA 19141

Philadelphia County (215) 456-7890

DR. DHRUV SHARMA MD

Student in an Organized Health Care Education/Training Program

5501 OLD YORK RD
PHILADELPHIA, PA 19141

Philadelphia County (215) 456-7890

TIMOTHY DANIEL GARDNER DO

Student in an Organized Health Care Education/Training Program

5501 OLD YORK RD
PHILADELPHIA, PA 19141

Philadelphia County (215) 456-7890

DR. JONATHAN THOMAS LUCIANI DO

Student in an Organized Health Care Education/Training Program

5501 OLD YORK RD
PHILADELPHIA, PA 19141

Philadelphia County (215) 456-7890

ASHIKA KAPOOR MD

Psychiatry & Neurology (Psychiatry)

5501 OLD YORK RD
PHILA, PA 19141

Philadelphia County (215) 456-8103

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 Christos Kallis's NPI number?

The NPI number for Christos Kallis is 1649684572. It was assigned to this individual provider in the NPPES registry on June 18, 2014.

Where is Christos Kallis located?

Christos Kallis practices at 5501 Old York Rd Albert Einstein Medical Center, Philadelphia, PA 19141. The listed phone number is (800) 220-2362.

What is Christos Kallis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Christos Kallis enrolled in Medicare?

Yes. Christos Kallis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christos Kallis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christos Kallis reassigns Medicare benefits to Einstein Practice Plan, Inc (Philadelphia, PA). The 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 Christos Kallis'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 Christos Kallis was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.