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GRACE S LEE-RIDDLE MD
NPI 1457612731
Surgery in Philadelphia, PA

Active since June 04, 2012PECOS EnrolledAccepts Medicare Assignment
73.27/100
CMS Quality Rating
1101 CHESTNUT ST, PHILADELPHIA, PA 19107(215) 955-6000 Get Directions Write a Review

NPPES record last updated: August 31, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 23, 2023, Dec 5, 2019 (2 updates tracked since 2019).

About Grace S Lee-riddle Md NPPES

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

GRACE S LEE-RIDDLE MD (NPI 1457612731) is an individual surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD454212) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1457612731
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameGRACE S LEE-RIDDLECredential: MD
Location Address1101 CHESTNUT STPhiladelphia, PA 19107-3612
Mailing Address1025 Walnut St Ste 605Philadelphia, PA 19107-5001 · (215) 955-6000
Phone(215) 955-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 4, 2012
Last NPPES UpdateAugust 31, 20252 updates tracked since enumeration
NPPES CertifiedAugust 31, 2025
✔ NPI 1457612731 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in PA · MD454212
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedTransplant SurgeryTaxonomy 204F00000X · License C1-002835 (DE), 25MA11578500 (NJ)
1101 CHESTNUT ST, Philadelphia, PA 19107
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter from NH Healthy Families and more.Insurance ›

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

Grace S Lee-riddle 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 ID3173836285
PECOS Enrollment IDI20250902000224
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.

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
$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
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
Most-billed visit code 99213
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.

73.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality44.89
Promoting Interoperability83
Improvement Activities40
Cost47.69

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.

EMILY RUBIN R.D.
Dietitian, Registered
1101 CHESTNUT ST
PHILA, PA 19107
Philadelphia County (215) 955-8900
LAUREL VIRGINIA KOVALCHICK MD
Psychiatry & Neurology (Neurology)
1101 CHESTNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1234
CHRISTOPHER JAMES ADKINS M.D.
Internal Medicine (Gastroenterology)
1101 CHESTNUT ST
PHILA, PA 19107
Philadelphia County (215) 955-8900
SARAH F ADAMS CCC-SLP
Speech-Language Pathologist
1101 CHESTNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6760
REBECCA LOH
Internal Medicine (Gastroenterology)
1101 CHESTNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-8900
EDDIE DIAZ SERRANO AUD
Audiologist
1101 CHESTNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6760
RORY MARGARET ANDERSON CRNP
Nurse Practitioner (Family)
1101 CHESTNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (800) 533-3669
MAEVE CALLAHAN CRNP
Nurse Practitioner (Adult Health)
1101 CHESTNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (800) 533-3669

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 Grace Lee-riddle's NPI number?

The NPI number for Grace Lee-riddle is 1457612731. It was assigned to this individual provider in the NPPES registry on June 4, 2012.

Where is Grace Lee-riddle located?

Grace Lee-riddle practices at 1101 Chestnut St, Philadelphia, PA 19107. The listed phone number is (215) 955-6000.

What is Grace Lee-riddle's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Grace Lee-riddle enrolled in Medicare?

Yes. Grace Lee-riddle 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.

What insurance does Grace Lee-riddle accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Ambetter from Home State Health and Ambetter from NH Healthy Families and 3 other insurers list Grace Lee-riddle 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 Grace Lee-riddle affiliated with any hospitals?

According to CMS data, Grace Lee-riddle is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Grace Lee-riddle was last updated on August 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.