Henry Jay Zwally, MD
Emergency Medicine Physician · Glen Burnie, MD
Henry Jay Zwally, MD is an emergency medicine physician with a practice address in Glen Burnie, Maryland, and NPI 1669408936, issued on Jun 25, 2006. Check the license (Maryland D0042684, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Henry Jay Zwally
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D0042684 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7116 Ritchie Hwy, Glen Burnie, MD 21061
- Phone
- (443) 577-0277
- Enumerated
- Jun 25, 2006
- Record last updated
- Aug 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 064940600 MD
- Medicare enrollment
- Enrolled (PECOS I20210812001244); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 7116 Ritchie Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pius Afriyie, PA-CMedical Physician Assistant1972817260
- Erin Bernhard, PA-CPhysician Assistant1780108688
- Stefanie Coles, PA-CPhysician Assistant1043689334
- Stephanie Condon, P.A.Physician Assistant1578865176
- Susan Connor, PA-CPhysician Assistant1770884421
- Luis Gomez, M.D.Emergency Medicine Physician1134168636
Verify Henry Jay Zwally in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0042684Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average emergency medicine physician in 2024
145 Medicare Part D claims for 116 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone18 claims
- Doxycycline Hyclate15 claims
- Amoxicillin-Clavulanate Potass12 claims
- Methylprednisolone12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 61.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Patient First Maryland Medical Group PLLCGlen Burnie, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Henry Jay Zwally among 1,190 emergency medicine physician records in Maryland
Henry Jay Zwally, MD is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1990 · median 2010 among the 571 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 emergency medicine physician records list a practice address in Glen Burnie
They are 25 of the 1,989 NPPES records with a practice address in Glen Burnie, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Glen Burnie → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Chirag Chaudhari, M.D,Glen Burnie, MD 210611821045667
- Dorothy Fedis, M.D.Glen Burnie, MD 210611033166202
- Richard Fields, MDGlen Burnie, MD 210611609823947
- Luis Gomez, M.D.Glen Burnie, MD 210611134168636
- Joel Klein, M.D.Glen Burnie, MD 210611578503298
- Gail Kramer, MDGlen Burnie, MD 210611780625939
- Steven Lucas, MDGlen Burnie, MD 210611558309716
- Susan Maier, MDGlen Burnie, MD 210611609814664
Common questions
What is Henry Jay Zwally, MD's NPI number?
Henry Jay Zwally, MD's National Provider Identifier (NPI) is 1669408936, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Henry Jay Zwally, MD located?
The NPPES record lists a practice address at 7116 Ritchie Hwy, Glen Burnie, MD, 21061. Phone: (443) 577-0277. Providers update this record themselves, so call before visiting.
How can I verify Henry Jay Zwally, MD's license?
NPPES lists Maryland license number D0042684, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Henry Jay Zwally, MD prescribe under Medicare Part D?
In 2024, Henry Jay Zwally, MD had 145 Medicare Part D claims for 116 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Henry Jay Zwally, MD's MIPS final score?
The 2023 MIPS final score is 61.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.