DR. HENRY JAY ZWALLY II MD
NPI 1669408936
Emergency Medicine in Glen Burnie, MD

Active since June 25, 2006PECOS EnrolledAccepts Medicare Assignment
61.68/100
CMS Quality Rating
7116 RITCHIE HWY, GLEN BURNIE, MD 21061(443) 577-0277 Get Directions Write a Review

NPPES record last updated: August 4, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 4, 2021, Jan 9, 2019 (2 updates tracked since 2019).

About Dr. Henry Jay Zwally Ii Md NPPES

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

DR. HENRY JAY ZWALLY II MD (NPI 1669408936) is an individual emergency medicine provider in Glen Burnie, Maryland, licensed in Maryland (D0042684) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lanham, and is a graduate of University Of Maryland School Of Medicine (1990).

NPPES Registry Identity

NPI1669408936
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. HENRY JAY ZWALLY IICredential: MD
Location Address7116 RITCHIE HWYGlen Burnie, MD 21061-2904
Mailing Address20010 Century Blvd., Suite 200Germantown, MD 20874 · (240) 780-7899 · Fax (240) 780-7899
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1990
Enumeration DateJune 25, 2006
Last NPPES UpdateAugust 4, 20212 updates tracked since enumeration
NPPES CertifiedAugust 4, 2021
NPI 1669408936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MD · D0042684
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

7116 RITCHIE HWY, Glen Burnie, MD 21061

Other Names 1

Former Name (1)H. Zwally Md

Secondary Practice Location 1

Location 18118 Good Luck RoadLanham, MD 20706 · Phone (301) 552-8118

Other Identifiers 1

Medicaid064940600MD

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. Henry Jay Zwally Ii Md 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 ID5193913119
PECOS Enrollment IDI20101217000132, I20210812001244
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 13

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 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.
60 services58 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.
51 services49 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
37 services34 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
37 services37 patients
Blood test, basic group of blood chemicals (calcium, ionized) 80047
A basic group of blood chemicals test, including calcium and ionized, is a simple procedure where a small amount of blood is drawn from your arm. This test helps assess your body's overall health and detect potential disorders like kidney disease or bone disease.
34 services31 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21061 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
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.

61.68/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.98
Promoting Interoperability0
Improvement Activities40
Cost72.62

Other Providers at the Same Location NPPES 12

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

Physician Assistant
7116 RITCHIE HWY
GLEN BURNIE, MD 21061
Emergency Medicine
7116 RITCHIE HWY
GLEN BURNIE, MD 21061
Physician Assistant
7116 RITCHIE HWY
GLEN BURNIE, MD 21061
Physician Assistant
7116 RITCHIE HWY
GLEN BURNIE, MD 21061
Physician Assistant
7116 RITCHIE HWY
GLEN BURNIE, MD 21061
Physician Assistant
7116 RITCHIE HWY
GLEN BURNIE, MD 21061
Physician Assistant
7116 RITCHIE HWY
GLEN BURNIE, MD 21061
Physician Assistant
7116 RITCHIE HWY
GLEN BURNIE, MD 21061

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 Henry Zwally's NPI number?

The NPI number for Henry Zwally is 1669408936. It was assigned to this individual provider in the NPPES registry on June 25, 2006. The provider is also known as H. Zwally MD.

Where is Henry Zwally located?

Henry Zwally practices at 7116 Ritchie Hwy, Glen Burnie, MD 21061. The listed phone number is (443) 577-0277.

What is Henry Zwally's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Henry Zwally enrolled in Medicare?

Yes. Henry Zwally 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 Henry Zwally was last updated on August 4, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.