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DR. DIANA MALOUF GREERTY
NPI 1336524230
Internal Medicine in Baltimore, MD

Active since July 21, 2015PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
5601 LOCH RAVEN BLVD DEPT OF, BALTIMORE, MD 21239(443) 444-8000 Get Directions Write a Review

NPPES record last updated: May 20, 2021. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: May 20, 2021, Oct 2, 2018, Aug 3, 2018 (3 updates tracked since 2018).

About Dr. Diana Malouf Greerty NPPES

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

DR. DIANA MALOUF GREERTY (NPI 1336524230) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0084355) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1336524230
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. DIANA MALOUF GREERTY
Location Address5601 LOCH RAVEN BLVD DEPT OFBaltimore, MD 21239-2945
Mailing Address201 E University Pkwy, Department Of MedicineBaltimore, MD 21218-2829
Phone(443) 444-8000
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateJuly 21, 2015
Last NPPES UpdateMay 20, 20213 updates tracked since enumeration
NPPES CertifiedMay 20, 2021
✔ NPI 1336524230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0084355
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5601 LOCH RAVEN BLVD DEPT OF, Baltimore, MD 21239
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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

Dr. Diana Malouf Greerty 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 ID9234436866
PECOS Enrollment IDI20230920001964
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

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
35 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21239 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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 2

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

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers13 claims13 services$39.10 avg. paid by Medicare
Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470
DME-Other DME · category DE001N
1 supplier11 claims11 services$67.87 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 Diana Greerty's NPI number?

The NPI number for Diana Greerty is 1336524230. It was assigned to this individual provider in the NPPES registry on July 21, 2015.

Where is Diana Greerty located?

Diana Greerty practices at 5601 Loch Raven Blvd Dept Of, Baltimore, MD 21239. The listed phone number is (443) 444-8000.

What is Diana Greerty's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Diana Greerty enrolled in Medicare?

Yes. Diana Greerty 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.

When was this NPI record last updated?

The NPPES record for Diana Greerty was last updated on May 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.