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MARY-ANNE OST M.D.
NPI 1740249697
Family Medicine - Geriatric Medicine in West Grove, PA

Active since March 20, 2006PECOS EnrolledAccepts Medicare Assignment
80.12/100
CMS Quality Rating
1 COMMERCE BLVD, SUITE 203, WEST GROVE, PA 19390(610) 869-0311(610) 869-0333 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mary-anne Ost M.d. NPPES

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

MARY-ANNE OST M.D. (NPI 1740249697) is an individual geriatric medicine provider in West Grove, Pennsylvania, licensed in Pennsylvania (MD039487L) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1740249697
Entity TypeIndividualFemale
Primary Taxonomy207QG0300X
Provider Legal NameMARY-ANNE OSTCredential: M.D.
Location Address1 COMMERCE BLVD, SUITE 203West Grove, PA 19390-9198
Mailing Address1 Commerce Blvd, Suite 203West Grove, PA 19390-9198 · (610) 869-0311 · Fax (610) 869-0333
Phone(610) 869-0311
Fax(610) 869-0333
Sole ProprietorYes
Medical School CMSOtherGraduated 1981
Enumeration DateMarch 20, 2006
Last NPPES UpdateFebruary 12, 2026
✔ NPI 1740249697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QG0300X
License✔ Licensed in PA · MD039487L
Definition
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.
1 COMMERCE BLVD, West Grove, PA 19390
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Other Identifiers 1

Other002823997Keystone/ Personal Choice

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of 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

Mary-anne Ost M.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 ID5092801548
PECOS Enrollment IDI20090406000543
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 7

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.
498 services151 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.
308 services128 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
163 services23 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
96 services96 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
75 services12 patients
Transitional care management services for problem of high complexity 99496
Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.
17 services14 patients

Hospital Affiliations CMS Care Compare 2

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

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 19390 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.

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.

80.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality87.6
Improvement Activities40
Cost50.26

Reported Quality Measures

Advance Care Plan
68%305 patients3/55-star benchmark: 100%
Breast Cancer Screening
62%142 patients3/55-star benchmark: 93%
Cervical Cancer Screening
32%111 patients2/55-star benchmark: 98%
Closing the Referral Loop: Receipt of Specialist Report
32%216 patients2/55-star benchmark: 87%
Colorectal Cancer Screening
66%240 patients4/55-star benchmark: 88%
Controlling High Blood Pressure
83%176 patients4/55-star benchmark: 91%
Diabetes: Eye Exam
35%79 patients2/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
24%79 patients4/55-star benchmark: 91%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
26%938 patients2/55-star benchmark: 61%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 7

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers19 claims46 services$5.28 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
5 suppliers14 claims82 services$1.84 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers51 claims51 services$13.23 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers14 claims14 services$27.89 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
5 suppliers63 claims63 services$62.88 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$29.67 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 5

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

DR. JOSEPH F ECKMAN JR. DM D
Dentist (General Practice)
1 COMMERCE BLVD
WEST GROVE, PA 19390
Chester County (610) 345-1125
FOOT AND ANKLE ASSOCIATES LLP
Podiatrist
1 COMMERCE BLVD, STE 102
WEST GROVE, PA 19390
Chester County (610) 345-0222
MARY-ANNE OST MD LTD
Family Medicine (Geriatric Medicine)
1 COMMERCE BLVD, SUITE 203
WEST GROVE, PA 19390
Chester County (610) 869-0311
DR. ZACHARY EMERSON DMD
Dentist (General Practice)
1 COMMERCE BLVD
WEST GROVE, PA 19390
Chester County (610) 345-1125
MATTHEW FIRESTONE DDS
Dentist (General Practice)
1 COMMERCE BLVD
WEST GROVE, PA 19390
Chester County (610) 345-1125

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 Mary-anne Ost's NPI number?

The NPI number for Mary-anne Ost is 1740249697. It was assigned to this individual provider in the NPPES registry on March 20, 2006.

Where is Mary-anne Ost located?

Mary-anne Ost practices at 1 Commerce Blvd Suite 203, West Grove, PA 19390. The listed phone number is (610) 869-0311.

What is Mary-anne Ost's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is Mary-anne Ost enrolled in Medicare?

Yes. Mary-anne Ost 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 Mary-anne Ost accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Mary-anne Ost 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 Mary-anne Ost affiliated with any hospitals?

According to CMS data, Mary-anne Ost is affiliated with Hospital Of Univ Of Pennsylvania and Chester County Hospital.

When was this NPI record last updated?

The NPPES record for Mary-anne Ost was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.