DR. SARA A BIERWERTH O.D.
NPI 1699020404
Optometrist in Philadelphia, PA

Active since July 18, 2012PECOS EnrolledAccepts Medicare Assignment
85.48/100
CMS Quality Rating
51 N 39TH ST, OPHTHMALOGY, PHILADELPHIA, PA 19104(215) 662-8100 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Jun 23, 2017 (2 updates tracked since 2017).

About Dr. Sara A Bierwerth O.d. NPPES

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

DR. SARA A BIERWERTH O.D. (NPI 1699020404) is an individual optometrist in Philadelphia, Pennsylvania, licensed in Pennsylvania (OEG003258) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1699020404
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. SARA A BIERWERTHCredential: O.D.
Location Address51 N 39TH ST, OPHTHMALOGYPhiladelphia, PA 19104-2640
Mailing Address51 N 39th St, OphthmalogyPhiladelphia, PA 19104-2640 · (215) 662-8100
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 18, 2012
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1699020404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in PA · OEG003258
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
51 N 39TH ST, Philadelphia, PA 19104

Accepted 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

Dr. Sara A Bierwerth O.d. 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 ID7618121724
PECOS Enrollment IDI20170629000091
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 Sara Bierwerth reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
51 N 39TH ST
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 3,488 clinicians in this Medicare group
Optometrist
270 LANCASTER AVE, SUITE F1
Malvern, PA 19355
  • Reassigned Medicare billing, Pennsylvania enrollment
Optometrist
286 GRIFFEN ST
Phoenixville, PA 19460
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 5 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

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 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.
60 services41 patients

Hospital Affiliations CMS Care Compare

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

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
$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
$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.

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.

85.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.6
Promoting Interoperability100
Improvement Activities40

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.

Internal Medicine
51 N 39TH ST
PHILADELPHIA, PA 19104
Urology
51 N 39TH ST, MOB SUITE 300
PHILADELPHIA, PA 19104
Surgery (Trauma Surgery)
51 N 39TH ST
PHILADELPHIA, PA 19104
Registered Nurse
51 N 39TH ST
PHILADELPHIA, PA 19104
Obstetrics & Gynecology (Gynecology)
51 N 39TH ST, MOB 340
PHILA, PA 19104
Internal Medicine (Cardiovascular Disease)
51 N 39TH ST, PHI BLDG STE 2C PENN PRESBYTERIAN MEDICAL CENTER
PHILADELPHIA, PA 19104
Internal Medicine
51 N 39TH ST
PHILADELPHIA, PA 19104
Family Medicine
51 N 39TH ST
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 Sara Bierwerth's NPI number?

The NPI number for Sara Bierwerth is 1699020404. It was assigned to this individual provider in the NPPES registry on July 18, 2012.

Where is Sara Bierwerth located?

Sara Bierwerth practices at 51 N 39th St Ophthmalogy, Philadelphia, PA 19104. The listed phone number is (215) 662-8100.

What is Sara Bierwerth's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Sara Bierwerth enrolled in Medicare?

Yes. Sara Bierwerth 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 Sara Bierwerth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Bierwerth reassigns Medicare benefits to 3 organizations: University Of Penn-Medical Group (Philadelphia, PA), (Malvern, PA) and Fab Eye Care Center, PC (Phoenixville, 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 Sara Bierwerth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Bierwerth accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Oscar Health Insurance and 6 other insurers list Sara Bierwerth 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 Sara Bierwerth affiliated with any hospitals?

According to CMS data, Sara Bierwerth is affiliated with Hospital Of Univ Of Pennsylvania.

When was this NPI record last updated?

The NPPES record for Sara Bierwerth was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.