RILEY ELIZABETH AMBROSE CRNP
NPI 1922773027
Nurse Practitioner - Family in Philadelphia, PA

Active since August 11, 2021PECOS EnrolledAccepts Medicare Assignment
3737 MARKET ST FL 9, PHILADELPHIA, PA 19104(215) 662-8777 Get Directions Write a Review

NPPES record last updated: August 25, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 25, 2021, Aug 11, 2021 (2 updates tracked since 2021).

About Riley Elizabeth Ambrose Crnp NPPES

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

RILEY ELIZABETH AMBROSE CRNP (NPI 1922773027) is an individual family provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP023723) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1922773027
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameRILEY ELIZABETH AMBROSECredential: CRNP
Location Address3737 MARKET ST FL 9Philadelphia, PA 19104-5545
Mailing Address3737 Market St Fl 9Philadelphia, PA 19104-5545
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateAugust 11, 2021
Last NPPES UpdateAugust 25, 20212 updates tracked since enumeration
NPPES CertifiedAugust 25, 2021
✔ NPI 1922773027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in PA · SP023723
3737 MARKET ST FL 9, Philadelphia, PA 19104

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

Riley Elizabeth Ambrose Crnp 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 ID5193121903
PECOS Enrollment IDI20210902000932
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

3

Medicare enrollment records show Riley Ambrose reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
51 N 39TH ST
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 199 clinicians in this Medicare group
Internal Medicine
51 N 39TH ST
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 752 clinicians in this Medicare group
Urgent Care
1930 SOUTH BROAD ST, UNIT 28, PENN URGENT CARE SOUTH PHILADELPHIA
Philadelphia, PA 19145
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: Clinical Care Associates Of The University Of Pennsylvania Health.
  • 983 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.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
59 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390223
Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County
Emergency services

Pennsylvania Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390226
Location800 Spruce StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 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
$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 17

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

Student in an Organized Health Care Education/Training Program
3737 MARKET ST FL 9
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
3737 MARKET ST FL 9
PHILADELPHIA, PA 19104
Family Medicine
3737 MARKET ST FL 9
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
3737 MARKET ST FL 9
PHILADELPHIA, PA 19104
Family Medicine
3737 MARKET ST FL 9
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
3737 MARKET ST FL 9
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
3737 MARKET ST FL 9
PHILADELPHIA, PA 19104
Family Medicine
3737 MARKET ST FL 9
PHILADELPHIA, PA 19104

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 Riley Ambrose's NPI number?

The NPI number for Riley Ambrose is 1922773027. It was assigned to this individual provider in the NPPES registry on August 11, 2021.

Where is Riley Ambrose located?

Riley Ambrose practices at 3737 Market St Fl 9, Philadelphia, PA 19104. The listed phone number is (215) 662-8777.

What is Riley Ambrose's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Riley Ambrose enrolled in Medicare?

Yes. Riley Ambrose 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 Riley Ambrose's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Riley Ambrose reassigns Medicare benefits to 3 organizations: Trustees Of The University Of Pennsylvania (Philadelphia, PA), University Of Penn-Medical Group (Philadelphia, PA) and Clinical Care Associates Of The University Of Pennsylvania Health Syst (Philadelphia, PA). 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 Riley Ambrose's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Riley Ambrose affiliated with any hospitals?

According to CMS data, Riley Ambrose is affiliated with Hospital Of Univ Of Pennsylvania, Penn Presbyterian Medical Center and Pennsylvania Hospital.

When was this NPI record last updated?

The NPPES record for Riley Ambrose was last updated on August 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.