MARYELLEN THERESA O'HARA CRNP
NPI 1366693707
Nurse Practitioner - Adult Health in Radnor, PA

Active since October 03, 2008PECOS EnrolledAccepts Medicare Assignment
250 KING OF PRUSSIA RD, RADNOR, PA 19087(610) 902-5625 Get Directions Write a Review

NPPES record last updated: October 3, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Maryellen Theresa O'hara Crnp NPPES

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

MARYELLEN THERESA O'HARA CRNP (NPI 1366693707) is an individual adult health provider in Radnor, Pennsylvania, licensed in Pennsylvania (VP006835C) and active in the NPI registry since October 2008. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1366693707
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMARYELLEN THERESA O'HARACredential: CRNP
Location Address250 KING OF PRUSSIA RDRadnor, PA 19087-5220
Mailing Address250 King Of Prussia RdRadnor, PA 19087-5220 · (610) 902-5625
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateOctober 3, 2008
NPI 1366693707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in PA · VP006835C
250 KING OF PRUSSIA RD, Radnor, PA 19087

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

Maryellen Theresa O'hara 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 ID4486016763
PECOS Enrollment IDI20230817004160
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 5

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.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
2,760 services39 patients
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401
This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.
57 services43 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.
33 services32 patients
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.
27 services26 patients
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365
This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.
14 services13 patients

Hospital Affiliations CMS Care Compare 4

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

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

Chester County Hospital

Acute Care Hospitals · West Chester, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390179
Location701 East Marshall StreetWest Chester, PA 19380 · Chester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19087 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 20

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

Non-Pharmacy Dispensing Site
250 KING OF PRUSSIA RD, STE 1B
RADNOR, PA 19087
Radiology (Diagnostic Radiology)
250 KING OF PRUSSIA RD
RADNOR, PA 19087
Pathology (Anatomic Pathology)
250 KING OF PRUSSIA RD
RADNOR, PA 19087
Physical Therapist
250 KING OF PRUSSIA RD
RADNOR, PA 19087
Obstetrics & Gynecology
250 KING OF PRUSSIA RD
RADNOR, PA 19087
Orthopaedic Surgery
250 KING OF PRUSSIA RD
RADNOR, PA 19087
Internal Medicine
250 KING OF PRUSSIA RD
RADNOR, PA 19087
Internal Medicine (Endocrinology, Diabetes & Metabolism)
250 KING OF PRUSSIA RD
RADNOR, PA 19087

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 Maryellen O'hara's NPI number?

The NPI number for Maryellen O'hara is 1366693707. It was assigned to this individual provider in the NPPES registry on October 3, 2008.

Where is Maryellen O'hara located?

Maryellen O'hara practices at 250 King Of Prussia Rd, Radnor, PA 19087. The listed phone number is (610) 902-5625.

What is Maryellen O'hara's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Maryellen O'hara enrolled in Medicare?

Yes. Maryellen O'hara 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.

Is Maryellen O'hara affiliated with any hospitals?

According to CMS data, Maryellen O'hara is affiliated with Hospital Of Univ Of Pennsylvania, Bryn Mawr Hospital, Paoli Hospital and Chester County Hospital.

When was this NPI record last updated?

The NPPES record for Maryellen O'hara was last updated on October 3, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.