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MAUREEN D PASSARO M.D.
NPI 1316940141
Internal Medicine - Endocrinology, Diabetes & Metabolism in Olney, MD

Active since May 24, 2005PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
18109 PRINCE PHILIP DR STE B, OLNEY, MD 20832(301) 774-4529(301) 774-5652 Get Directions Write a Review

NPPES record last updated: January 30, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Maureen D Passaro M.d. NPPES

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

MAUREEN D PASSARO M.D. (NPI 1316940141) is an individual endocrinology, diabetes & metabolism provider in Olney, Maryland, licensed in Maryland (D0044487) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, is affiliated with Medstar Montgomery Medical Center, and is a graduate of New York Medical College (1990).

NPPES Registry Identity

NPI1316940141
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMAUREEN D PASSAROCredential: M.D.
Location Address18109 PRINCE PHILIP DR STE BOlney, MD 20832-1519
Mailing Address2901 Olney Sandy Spring RdOlney, MD 20832-1521 · (301) 774-6655 · Fax (301) 774-5652
Phone(301) 774-4529
Fax(301) 774-5652
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1990
Enumeration DateMay 24, 2005
Last NPPES UpdateJanuary 30, 2024
NPPES CertifiedJanuary 30, 2024
✔ NPI 1316940141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MD · D0044487
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
18109 PRINCE PHILIP DR STE B, Olney, MD 20832
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Other Names 1

Former Name (1)Maureen Donnelly M.d.

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

Maureen D Passaro 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 ID2860543014
PECOS Enrollment IDI20100427000038
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.

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.
1,045 services542 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.
137 services122 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
32 services32 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
27 services26 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Medstar Montgomery Medical Center

Acute Care Hospitals · Olney, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210018
Location18101 Prince Philip DriveOlney, MD 20832 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20832 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

Referred Medical Equipment & Supplies CMS DME claims 10

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
7 suppliers35 claims437 services$18.26 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
7 suppliers38 claims1,090 services$2.35 avg. paid by Medicare
Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238
DME-Medical/Surgical Supplies · category DA000N
3 suppliers26 claims26 services$170.15 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
56 suppliers257 claims1,020 services$6.18 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
5 suppliers29 claims29 services$2.95 avg. paid by Medicare
Spring-powered device for lancet, each A4258
DME-Other DME · category DE000N
5 suppliers13 claims13 services$1.85 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Maureen Passaro's NPI number?

The NPI number for Maureen Passaro is 1316940141. It was assigned to this individual provider in the NPPES registry on May 24, 2005. The provider is also known as Maureen Donnelly M.D..

Where is Maureen Passaro located?

Maureen Passaro practices at 18109 Prince Philip Dr Ste B, Olney, MD 20832. The listed phone number is (301) 774-4529.

What is Maureen Passaro's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Maureen Passaro enrolled in Medicare?

Yes. Maureen Passaro 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 Maureen Passaro affiliated with any hospitals?

According to CMS data, Maureen Passaro is affiliated with Medstar Montgomery Medical Center.

When was this NPI record last updated?

The NPPES record for Maureen Passaro was last updated on January 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.