Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JENNY ALYSSA O'BRIEN MD, PHD
NPI 1740849694
Internal Medicine in Philadelphia, PA

Q: What is Jenny O'brien's NPI number?

The NPI number for Jenny O'brien is 1740849694. It was assigned to this individual provider in the NPPES registry on June 12, 2019.

Q: What is Jenny O'brien's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Jenny O'brien was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.

Active since June 12, 2019PECOS Enrolled

76.7/100

CMS Quality Rating

3322 N BROAD ST, PHILADELPHIA, PA 19140(215) 707-1800(215) 707-3644 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 24, 2022, Jun 12, 2019 (2 updates tracked since 2019).

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About Dr. Jenny Alyssa O'brien Md, Phd NPPES

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

DR. JENNY ALYSSA O'BRIEN MD, PHD (NPI 1740849694) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD477641) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740849694

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. JENNY ALYSSA O'BRIENCredential: MD, PHD

Location Address3322 N BROAD STPhiladelphia, PA 19140-5185

Mailing Address3509 N Broad StPhiladelphia, PA 19140-4105

Phone(215) 707-1800

Fax(215) 707-3644

Sole ProprietorNo

Enumeration DateJune 12, 2019

Last NPPES UpdateJune 23, 20262 updates tracked since enumeration

NPPES CertifiedJune 23, 2026

✔ NPI 1740849694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in PA · MD477641

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3322 N BROAD ST, Philadelphia, PA 19140

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jenny Alyssa O'brien Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19140 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.

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.

76.7/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

55.19

Promoting Interoperability

Improvement Activities

Cost

54.93

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier12 claims12 services$922.57 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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. BRENTON SHAW HALSEY III MD

Internal Medicine