DR. MITCHELL KAI-SERN NG MD
NPI 1336777101
Orthopaedic Surgery in Philadelphia, PA

Active since March 29, 2020PECOS EnrolledAccepts Medicare Assignment
833 CHESTNUT ST STE 1220, PHILADELPHIA, PA 19107(800) 321-9999(267) 479-1321 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 20, 2020, Sep 18, 2020, Mar 29, 2020 (3 updates tracked since 2020).

About Dr. Mitchell Kai-sern Ng Md NPPES

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

DR. MITCHELL KAI-SERN NG MD (NPI 1336777101) is an individual orthopaedic surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD492737) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Marlton, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1336777101
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. MITCHELL KAI-SERN NGCredential: MD
Location Address833 CHESTNUT ST STE 1220Philadelphia, PA 19107-4413
Mailing Address833 Chestnut St Ste 520Philadelphia, PA 19107-4430 · (609) 677-7003
Fax(267) 479-1321
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 29, 2020
Last NPPES UpdateJuly 1, 20263 updates tracked since enumeration
NPPES CertifiedJuly 1, 2026
✔ NPI 1336777101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in PA · MD492737✔ Licensed in NJ · 25MA12926700
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Orthopaedic Surgery of the SpineTaxonomy 207XS0117X · License MD492737 (PA), 25MA12926700 (NJ)
833 CHESTNUT ST STE 1220, Philadelphia, PA 19107

Secondary Practice Location 1

Location 1999 Route 73 N Ste 401Marlton, NJ 08053-1227 · Phone (800) 321-9999 · Fax (267) 479-1321

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. Mitchell Kai-sern Ng 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 ID2264901594
PECOS Enrollment IDI20260515002961
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 Mitchell Ng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthopaedic Surgery
833 CHESTNUT ST STE 1220
Philadelphia, PA 19107
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 361 clinicians in this Medicare group
Orthopaedic Surgery
999 ROUTE 73 N FL 34
Marlton, NJ 08053
  • Reassigned Medicare billing, New Jersey enrollment
  • 398 clinicians in this Medicare group

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

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.

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.

Orthopaedic Surgery
833 CHESTNUT ST STE 1220
PHILADELPHIA, PA 19107
Physical Medicine & Rehabilitation
833 CHESTNUT ST STE 1220
PHILADELPHIA, PA 19107
Orthopaedic Surgery
833 CHESTNUT ST STE 1220
PHILADELPHIA, PA 19107
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
833 CHESTNUT ST STE 1220
PHILADELPHIA, PA 19107
Physical Therapist
833 CHESTNUT ST STE 1220
PHILADELPHIA, PA 19107
Orthopaedic Surgery
833 CHESTNUT ST STE 1220
PHILADELPHIA, PA 19107
Orthopaedic Surgery
833 CHESTNUT ST STE 1220
PHILADELPHIA, PA 19107
Orthopaedic Surgery
833 CHESTNUT ST STE 1220
PHILADELPHIA, PA 19107

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 Mitchell Ng's NPI number?

The NPI number for Mitchell Ng is 1336777101. It was assigned to this individual provider in the NPPES registry on March 29, 2020.

Where is Mitchell Ng located?

Mitchell Ng practices at 833 Chestnut St Ste 1220, Philadelphia, PA 19107. The listed phone number is (800) 321-9999.

What is Mitchell Ng's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Mitchell Ng enrolled in Medicare?

Yes. Mitchell Ng 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 Mitchell Ng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Ng reassigns Medicare benefits to 2 organizations: Reconstructive Orthopaedic Associates II LLC (Philadelphia, PA) and Rothman Orthopaedics Of New Jersey, LLC (Marlton, 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 Mitchell Ng'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 Mitchell Ng was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.