DR. ERIKA J YOO MD
NPI 1245452945
Internal Medicine - Pulmonary Disease in Philadelphia, PA

Active since May 03, 2007PECOS EnrolledAccepts Medicare Assignment
834 WALNUT ST STE 650, PHILADELPHIA, PA 19107(215) 955-5161(215) 923-6003 Get Directions Write a Review

NPPES record last updated: November 28, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 28, 2018, Aug 24, 2018, Aug 31, 2016 and 1 more (4 updates tracked since 2016).

About Dr. Erika J Yoo Md NPPES

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

DR. ERIKA J YOO MD (NPI 1245452945) is an individual pulmonary disease provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD442726) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (2005).

NPPES Registry Identity

NPI1245452945
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameDR. ERIKA J YOOCredential: MD
Location Address834 WALNUT ST STE 650Philadelphia, PA 19107-5109
Mailing Address834 Walnut St Ste 650Philadelphia, PA 19107-5109 · (215) 955-5161 · Fax (215) 923-6003
Fax(215) 923-6003
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2005
Enumeration DateMay 3, 2007
Last NPPES UpdateNovember 28, 20184 updates tracked since enumeration
NPI 1245452945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in PA · MD442726
Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

834 WALNUT ST STE 650, Philadelphia, PA 19107

Accepted 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

Dr. Erika J Yoo 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 ID7012187420
PECOS Enrollment IDI20110823000032
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.

Areas of Expertise CMS Part B claims 4

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
145 services61 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.
68 services43 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.
19 services19 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
12 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

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
$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 15

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

Internal Medicine (Pulmonary Disease)
834 WALNUT ST STE 650, STE 650
PHILADELPHIA, PA 19107
Internal Medicine (Pulmonary Disease)
834 WALNUT ST STE 650
PHILADELPHIA, PA 19107
Internal Medicine (Pulmonary Disease)
834 WALNUT ST STE 650
PHILADELPHIA, PA 19107
Internal Medicine (Pulmonary Disease)
834 WALNUT ST STE 650
PHILADELPHIA, PA 19107
Nurse Practitioner (Acute Care)
834 WALNUT ST STE 650
PHILADELPHIA, PA 19107
Internal Medicine
834 WALNUT ST STE 650
PHILADELPHIA, PA 19107
Internal Medicine (Pulmonary Disease)
834 WALNUT ST STE 650
PHILADELPHIA, PA 19107
Internal Medicine (Critical Care Medicine)
834 WALNUT ST STE 650
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 Erika Yoo's NPI number?

The NPI number for Erika Yoo is 1245452945. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Erika Yoo located?

Erika Yoo practices at 834 Walnut St Ste 650, Philadelphia, PA 19107. The listed phone number is (215) 955-5161.

What is Erika Yoo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Erika Yoo enrolled in Medicare?

Yes. Erika Yoo 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 Erika Yoo accept?

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

According to CMS data, Erika Yoo is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Erika Yoo was last updated on November 28, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.