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DR. MAYSA M ABU-KHALAF MD
NPI 1194713495
Internal Medicine - Medical Oncology in Philadelphia, PA

Active since October 11, 2005PECOS EnrolledAccepts Medicare Assignment
925 CHESTNUT ST, SUITE 320A, PHILADELPHIA, PA 19107(215) 955-8874(215) 955-2340 Get Directions Write a Review

NPPES record last updated: June 9, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Maysa M Abu-khalaf Md NPPES

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

DR. MAYSA M ABU-KHALAF MD (NPI 1194713495) is an individual medical oncology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD457432) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1194713495
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. MAYSA M ABU-KHALAFCredential: MD
Location Address925 CHESTNUT ST, SUITE 320APhiladelphia, PA 19107-4216
Mailing Address925 Chestnut St, Suite 320aPhiladelphia, PA 19107-4216 · (215) 955-8874 · Fax (215) 955-2340
Phone(215) 955-8874
Fax(215) 955-2340
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateOctober 11, 2005
Last NPPES UpdateJune 9, 2016
✔ NPI 1194713495 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Licenses✔ Licensed in PA · MD457432✔ Licensed in CT · 043157
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
925 CHESTNUT ST, Philadelphia, PA 19107
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINI39019

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

Dr. Maysa M Abu-khalaf Md 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 ID8820020233
PECOS Enrollment IDI20160712002125
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 Maysa Abu-khalaf reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jefferson University Physicians
Same address
General Practice
33 S. 9TH STREET
Philadelphia, PA 19107
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,739 clinicians in this Medicare group
NPI 1326093675 (215) 955-0000
Kennedy Medical Group P.C.
11 mi
Psychologist
707 HADDONFIELD BERLIN RD
Voorhees, NJ 08043
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: Kennedy Medical Group Practice, P.C.
  • 438 clinicians in this Medicare group
NPI 1609314004 (856) 857-6920

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

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.
99 services53 patients

Hospital Affiliations CMS Care Compare

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

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390174
Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19107 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
$180.99 typical visit price
range $59.88 – $180.99
Typical copayment $45.24 (range $14.97 – $45.24)
Most-billed visit code 99205
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.

DR. MATTHEW DECARO M.D.
Internal Medicine (Cardiovascular Disease)
925 CHESTNUT ST, MEZZANINE
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-5050
DR. MANISH SHARMA MD
Internal Medicine (Medical Oncology)
925 CHESTNUT ST, SUITE 320A
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-8874
MS. ELEANOR LYNN VANDERKLOK CRNP
Nurse Practitioner (Adult Health)
925 CHESTNUT ST, SUITE 320A
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-8874
LEANNE MCKEOWN PA-C
Physician Assistant
925 CHESTNUT ST, FIFTH FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (267) 339-3500
WILLIAM KEVIN KELLY DO
Internal Medicine (Medical Oncology)
925 CHESTNUT ST, SUITE 320A
PHILADELPHIA, PA 19107
Philadelphia County (215) 995-8874
DR. MARC R. ROSEN M.D.
Otolaryngology
925 CHESTNUT ST, 6TH FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6760
ANDREW B NEWBERG MD
Nuclear Medicine
925 CHESTNUT ST, SUITE 120
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-3422
DR. HOWARD H. WEITZ M.D.
Internal Medicine (Cardiovascular Disease)
925 CHESTNUT ST, MEZZANINE FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-5050

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 Maysa Abu-khalaf's NPI number?

The NPI number for Maysa Abu-khalaf is 1194713495. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is Maysa Abu-khalaf located?

Maysa Abu-khalaf practices at 925 Chestnut St Suite 320A, Philadelphia, PA 19107. The listed phone number is (215) 955-8874.

What is Maysa Abu-khalaf's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Maysa Abu-khalaf enrolled in Medicare?

Yes. Maysa Abu-khalaf 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 Maysa Abu-khalaf's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maysa Abu-khalaf reassigns Medicare benefits to 2 organizations: Jefferson University Physicians (Philadelphia, PA) and Kennedy Medical Group P.C. (Voorhees, NJ). 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 Maysa Abu-khalaf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maysa Abu-khalaf accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Maysa Abu-khalaf 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 Maysa Abu-khalaf affiliated with any hospitals?

According to CMS data, Maysa Abu-khalaf is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Maysa Abu-khalaf was last updated on June 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.