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MARYGAIL CATHERINE MULLER
NPI 1992515589
Nurse Practitioner in Bryn Mawr, PA

Active since January 07, 2025PECOS EnrolledAccepts Medicare Assignment
135 S BRYN MAWR AVE STE 100, BRYN MAWR, PA 19010(610) 525-1061 Get Directions Write a Review

NPPES record last updated: February 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 19, 2025, Jan 7, 2025 (2 updates tracked since 2025).

About Marygail Catherine Muller NPPES

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

MARYGAIL CATHERINE MULLER (NPI 1992515589) is an individual nurse practitioner in Bryn Mawr, Pennsylvania, licensed in Pennsylvania (SP031465) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS, is affiliated with Bryn Mawr Hospital, and maintains a secondary practice location in Bryn Mawr.

NPPES Registry Identity

NPI1992515589
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARYGAIL CATHERINE MULLER
Location Address135 S BRYN MAWR AVE STE 100Bryn Mawr, PA 19010-3129
Mailing Address3803 W Chester Pike Ste 160Newtown Square, PA 19073-2336 · (484) 337-1632
Phone(610) 525-1061
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJanuary 7, 2025
Last NPPES UpdateFebruary 19, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2025
✔ NPI 1992515589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in PA · SP031465
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
135 S BRYN MAWR AVE STE 100, Bryn Mawr, PA 19010
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Secondary Practice Location 1

Location 1130 S Bryn Mawr AveBryn Mawr, PA 19010-3121 · Phone (610) 525-1061

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.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

Marygail Catherine Muller 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 ID1850820465
PECOS Enrollment IDI20250128002017
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.

Hospital Affiliations CMS Care Compare 4

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

Bryn Mawr Hospital

Acute Care Hospitals · Bryn Mawr, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390139
Location130 South Bryn Mawr AveBryn Mawr, PA 19010 · Montgomery County
Emergency services Birthing friendly

Paoli Hospital

Acute Care Hospitals · Paoli, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390153
Location255 West Lancaster AvenuePaoli, PA 19301 · Chester County
Emergency services Birthing friendly

Main Line Hospital Lankenau

Acute Care Hospitals · Wynnewood, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390195
Location100 Lancaster AveWynnewood, PA 19096 · Montgomery County
Emergency services Birthing friendly

Riddle Memorial Hospital

Acute Care Hospitals · Media, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390222
Location1068 West Baltimore PikeMedia, PA 19063 · Delaware County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19010 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 3

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

NATALIE A SHAEFFER CRNP
Nurse Practitioner
135 S BRYN MAWR AVE STE 100
BRYN MAWR, PA 19010
Delaware County (610) 525-1061
MS. COURTNEY NICOLE LEVINE PSYD
Psychologist
135 S BRYN MAWR AVE STE 100
BRYN MAWR, PA 19010
Delaware County (610) 658-1928
BENJAMIN ALEXANDER EHRLICH DO
Psychiatry & Neurology (Neurology)
135 S BRYN MAWR AVE STE 100
BRYN MAWR, PA 19010
Delaware County (484) 227-8226

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 Marygail Muller's NPI number?

The NPI number for Marygail Muller is 1992515589. It was assigned to this individual provider in the NPPES registry on January 7, 2025.

Where is Marygail Muller located?

Marygail Muller practices at 135 S Bryn Mawr Ave Ste 100, Bryn Mawr, PA 19010. The listed phone number is (610) 525-1061.

What is Marygail Muller's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Marygail Muller enrolled in Medicare?

Yes. Marygail Muller 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 Marygail Muller accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Marygail Muller 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 Marygail Muller affiliated with any hospitals?

According to CMS data, Marygail Muller is affiliated with Bryn Mawr Hospital, Paoli Hospital, Main Line Hospital Lankenau and Riddle Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Marygail Muller was last updated on February 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.