1. Home
  2. Directory
  3. Pennsylvania
  4. Philadelphia
  5. Psychiatry Neurology
  6. NPI Profile

JESSICA YI MD
NPI 1578026480
Psychiatry & Neurology - Neuromuscular Medicine in Philadelphia, PA

Active since April 08, 2019PECOS EnrolledAccepts Medicare Assignment
909 WALNUT ST FL 4, PHILADELPHIA, PA 19107(215) 955-1234 Get Directions Write a Review

NPPES record last updated: May 15, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 15, 2024, Apr 8, 2019 (2 updates tracked since 2019).

About Jessica Yi Md NPPES

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

JESSICA YI MD (NPI 1578026480) is an individual neuromuscular medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD480308) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Medical College Of Wisconsin (2019).

NPPES Registry Identity

NPI1578026480
Entity TypeIndividualFemale
Primary Taxonomy2084N0008X
Provider Legal NameJESSICA YICredential: MD
Location Address909 WALNUT ST FL 4Philadelphia, PA 19107-5211
Mailing Address2815 Cambridge CirBrookfield, WI 53045-3230
Phone(215) 955-1234
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2019
Enumeration DateApril 8, 2019
Last NPPES UpdateMay 15, 20242 updates tracked since enumeration
NPPES CertifiedMay 15, 2024
✔ NPI 1578026480 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neuromuscular MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084N0008X
License✔ Licensed in PA · MD480308
Definition
A neurologist or child neurologist who specializes in the diagnosis and management of disorders of nerve, muscle or neuromuscular junction, including amyotrophic lateral sclerosis, peripheral neuropathies (e.g., diabetic and immune mediated neuropathies), various muscular dystrophies, congenital and acquired myopathies, inflammatory myopathies (e.g., polymyositis, inclusion body myositis) and neuromuscular transmission disorders (e.g., myasthenia gravis, Lambert-Eaton myasthenic syndrome).
909 WALNUT ST FL 4, Philadelphia, PA 19107
Open in Google Maps ↗

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

Jessica Yi 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 ID6709110356
PECOS Enrollment IDI20240703001272
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 Jessica Yi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jefferson University Physicians
0.1 mi
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

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 3

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.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
19 services19 patients
Needle measurement of electrical activity in arm or leg muscles, limited study 95885
This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.
18 services12 patients
Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
13 services12 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

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 Jessica Yi's NPI number?

The NPI number for Jessica Yi is 1578026480. It was assigned to this individual provider in the NPPES registry on April 8, 2019.

Where is Jessica Yi located?

Jessica Yi practices at 909 Walnut St Fl 4, Philadelphia, PA 19107. The listed phone number is (215) 955-1234.

What is Jessica Yi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neuromuscular Medicine, with taxonomy code 2084N0008X.

Is Jessica Yi enrolled in Medicare?

Yes. Jessica Yi 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 organization bills Medicare for Jessica Yi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jessica Yi reassigns Medicare benefits to Jefferson University Physicians (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 Jessica Yi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jessica Yi accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Jessica Yi 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 Jessica Yi affiliated with any hospitals?

According to CMS data, Jessica Yi is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Jessica Yi was last updated on May 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.