Zayd Alhaddad, MBBS

  • Rosedale, MD
  • Internist
NPI1467039255
Medicare services, 2024
290
Medicare patients, 2024
65
Part D claims, 2024
148
Publications
4
Industry payments
$583
Practice address
9000 Franklin Square Dr, Rosedale, MD 21237
Practice phone
Call (410) 554-2228
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Medstar Union Memorial Hospital

Rosedale, Maryland

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Zayd Alhaddad is an internist in Rosedale, Maryland

Zayd Alhaddad practices at Medstar Union Memorial Hospital in Rosedale, Maryland.

Zayd Alhaddad's NPI, 1467039255, was assigned on March 26, 2021. Zayd Alhaddad holds Maryland license D0099035.

NPI and contact details
NPI enumeration date
March 26, 2021
NPI status
Active
Practice phone
(410) 554-2228
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Zayd Alhaddad practices at Medstar Union Memorial Hospital in Rosedale, Maryland

Zayd Alhaddad's primary practice is Medstar Union Memorial Hospital, at 9000 Franklin Square Dr, Rosedale, MD 21237 in Baltimore County. The practice phone is (410) 554-2228.

  • Medstar Union Memorial Hospital
    9000 Franklin Square Dr, Rosedale, MD 21237 · Baltimore CountyPhone(410) 554-2228

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Zayd Alhaddad is affiliated with 1 site of care and 1 medical group

Zayd Alhaddad's primary practice is Medstar Union Memorial Hospital in Rosedale, Maryland. The medical group on file is MedStar Medical Group.

Medstar Union Memorial HospitalRosedale, MarylandPrimary
MedStar Medical GroupPrimary care group, Arlington, VA

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Zayd Alhaddad's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Zayd Alhaddad practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Medstar Union Memorial HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Zayd Alhaddad is one of 3,320 internists in Maryland

Internal medicine is Zayd Alhaddad's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Zayd Alhaddad is licensed in Maryland.

Specialties and state licenses

  • Internal medicine, MarylandPrimaryLicense D0099035 · taxonomy 207R00000X

Internists near Zayd Alhaddad

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Zayd Alhaddad billed Medicare for 290 services in 2024

CMS data shows 290 Medicare services from Zayd Alhaddad across 3 procedure codes in 2024, for 65 Medicare patients. Medicare paid $29,056 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024290
Medicare patients65
Paid by Medicare$29,056
Procedure codes3

Zayd Alhaddad compared with the Maryland median for internists, 2024

  • Zayd Alhaddad
  • Maryland median
Medicare services
290vs 65656% below
Medicare patients
65vs 25174% below
Part D claims
53vs 30983% below

Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.

Zayd Alhaddad's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Zayd Alhaddad

Need commercial claims for Zayd Alhaddad?

Medicare shows one payer. Book a meeting to get commercial claims data for Zayd Alhaddad and other internists in Maryland.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Zayd Alhaddad treated 65 Medicare patients in 2024, average age 75

CMS counts 65 Medicare patients who saw Zayd Alhaddad in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have heart failure, and 75% have high blood pressure. 34% are also on Medicaid. Their average risk score is 2.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Zayd Alhaddad's median patient age at 75, with 40% women.

Medicare patients, 202465
Average age75
Average risk score2.97
Also on Medicaid34%

Zayd Alhaddad's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Zayd Alhaddad's Medicare patients by sex, 2024

  • Women3249%
  • Men3351%

Chronic conditions among Zayd Alhaddad's Medicare patients, 2024

  1. Heart failure75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Ischemic heart disease75%
  5. Diabetes74%
  6. Chronic kidney disease66%
  7. Arthritis62%
  8. Atrial fibrillation62%

Share of Medicare patients with each condition. A patient can have several.

Zayd Alhaddad's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women40%
  • Men60%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Zayd Alhaddad wrote 148 Medicare Part D claims in 2024

In 2024, Zayd Alhaddad wrote 148 Medicare Part D claims for 41 patients. 90% of them were for generic drugs. CMS names the drug for 53 of them, across 3 drugs with 11 or more claims each, at $404 in total drug cost. In 2023, CMS named 29 claims across 2 drugs.

Part D claims, 2024148
Drugs named by CMS3
Total drug cost$404
Part D patients41

Zayd Alhaddad's Part D claims by kind of drug, 2024

  • Generic133 claims90%
  • Brand-name and other15 claims10%

Zayd Alhaddad's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 292024: 5383%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Zayd Alhaddad

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Zayd Alhaddad has 4 publications on record

Dmand AI links 4 papers to Zayd Alhaddad, published from 2022 to 2024. 2022 was the busiest year, with 2. Zayd Alhaddad's most frequent co-authors are Fady Hany Naguib Iskander, MD and Nripesh Regmi, MD.

Papers4
Years published2022 to 2024

Zayd Alhaddad's most frequent co-authors

Recent publications by Zayd Alhaddad

See all 4 publications and co-authors

See who Zayd Alhaddad researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Zayd Alhaddad works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Zayd Alhaddad received $583 in industry payments from 2024 to 2025

CMS Open Payments shows 23 general payments to Zayd Alhaddad from 13 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Alnylam Pharmaceuticals Inc. paid the most, $139.

General payments to Zayd Alhaddad by program year, 2024 to 2025

Companies that paid Zayd Alhaddad the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Zayd Alhaddad

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Zayd Alhaddad's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Zayd Alhaddad

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Zayd Alhaddad's NPI number?

Zayd Alhaddad's NPI number is 1467039255. It was assigned on March 26, 2021, and it is active in the NPI Registry.

What does Zayd Alhaddad specialize in?

Zayd Alhaddad is an internist in Rosedale, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Zayd Alhaddad practice?

Zayd Alhaddad practices at 9000 Franklin Square Dr, Rosedale, MD 21237. Zayd Alhaddad's primary practice is Medstar Union Memorial Hospital in Rosedale, Maryland.

What is Zayd Alhaddad's office phone number?

The practice phone on file for Zayd Alhaddad is (410) 554-2228.

What is Zayd Alhaddad's medical license number?

Zayd Alhaddad holds Maryland license D0099035.

What medical group is Zayd Alhaddad part of?

Zayd Alhaddad is linked to MedStar Medical Group.

Does Zayd Alhaddad accept Medicare?

Yes. CMS data shows Zayd Alhaddad billed Medicare for 290 services in 2024.

How many Medicare patients does Zayd Alhaddad see?

CMS counts 65 Medicare patients who saw Zayd Alhaddad in 2024, with an average age of 75.

What services does Zayd Alhaddad bill to Medicare?

In 2024, Zayd Alhaddad's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99238).

What drugs does Zayd Alhaddad prescribe most?

In 2024 Medicare Part D data, Zayd Alhaddad's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.

Show 4 more questionsShow fewer questions

Has Zayd Alhaddad received payments from drug or device companies?

CMS Open Payments shows $583 in general payments to Zayd Alhaddad from 13 companies from 2024 to 2025. The largest total came from Alnylam Pharmaceuticals Inc.

How long has Zayd Alhaddad been practicing?

Zayd Alhaddad graduated from medical school in 2019, 7 years ago.

Does Zayd Alhaddad do research?

Dmand AI links 4 publications to Zayd Alhaddad, published from 2022 to 2024.

Who does Zayd Alhaddad publish with?

Zayd Alhaddad's most frequent co-authors are Fady Hany Naguib Iskander, MD (1 shared paper) and Nripesh Regmi, MD (1 shared paper).

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