Cardiac CatheterizationContrast MediaHeart Function Tests
Dr. Ari L. Zaiman, MD
NPI1104862572PAC ID8123097730
- Medicare services, 2024
- 720
- Medicare patients, 2024
- 362
- Part D claims, 2024
- 642
- Publications
- 12
- Hospital affiliations
- 1
- Practice address
- 6701 North Charles Street, Baltimore, MD 21204
- Practice phone
- Call (443) 849-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zaiman's professional email, personal email and mobile number
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Dr. Ari L. Zaiman is a pulmonologist in Towson, Maryland
Dr. Zaiman practices at Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare.
Dr. Zaiman's NPI, 1104862572, was assigned on June 22, 2006. Dr. Zaiman graduated from Albert Einstein College of Medicine of Yeshiva University in 1997. Dr. Zaiman holds Maryland license D56324.
NPI and contact details
- NPI
- 1104862572NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123097730
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (443) 849-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ari L. Zaiman practices at Greater Baltimore Medical Center in Baltimore, Maryland
Dr. Zaiman's primary practice is Greater Baltimore Medical Center, at 6701 North Charles Street, Baltimore, MD 21204 in Baltimore County. The practice phone is (443) 849-2000.
- Greater Baltimore Medical Center6701 North Charles Street, Baltimore, MD 21204 · Baltimore CountyPhone(443) 849-2000
Source: Dmand AI Affiliation Data
Dr. Ari L. Zaiman is affiliated with 2 sites of care and 1 medical group
Dr. Zaiman's primary practice is Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare. The medical group on file is Greater Baltimore Medical Center (GBMC). Dmand AI also links Dr. Zaiman to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ari L. Zaiman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zaiman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greater Baltimore Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ari L. Zaiman is one of 281 pulmonologists in Maryland
Pulmonary disease is Dr. Zaiman's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Zaiman is licensed in Maryland.
Specialties and state licenses
- Pulmonary disease, MarylandPrimary
Pulmonologists near Dr. Zaiman
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
281pulmonologists in Maryland20pulmonologists in Towson7pulmonologists at Greater Baltimore Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ari L. Zaiman billed Medicare for 720 services in 2024
CMS data shows 720 Medicare services from Dr. Zaiman across 13 procedure codes in 2024, for 362 Medicare patients. Medicare paid $64,164 for them.
Medicare services, 2024720
Medicare patients362
Paid by Medicare$64,164
Procedure codes13
Dr. Zaiman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5612024: 49212%
- Tests and treatments
- 2023: 1412024: 22862%
Where Dr. Zaiman's Medicare services took place, 2024
- In an office45463%
- In a facility26637%
Dr. Zaiman compared with the Maryland median for pulmonologists, 2024
- Dr. Zaiman
- Maryland median
- Medicare services
- 720vs 59222% above
- Medicare patients
- 362vs 31316% above
- Part D claims
- 546vs 33463% above
Medians across 264 pulmonologists in Maryland with Dmand AI profiles that report each measure.
Dr. Zaiman'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zaiman and other pulmonologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ari L. Zaiman treated 362 Medicare patients in 2024, average age 77
CMS counts 362 Medicare patients who saw Dr. Zaiman in 2024. The largest group is 75 to 84, with 151 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zaiman's median patient age at 72, with 62% women.
Medicare patients, 2024362
Average age77
Average risk score1.76
Also on Medicaid11%
Dr. Zaiman's Medicare patients by age, 2024
Dr. Zaiman's Medicare patients by sex, 2024
- Women22662%
- Men13638%
Chronic conditions among Dr. Zaiman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- COPD46%
- Anxiety38%
- Mood disorders36%
- Ischemic heart disease35%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zaiman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women62%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ari L. Zaiman wrote 642 Medicare Part D claims in 2024
In 2024, Dr. Zaiman wrote 642 Medicare Part D claims for 109 patients. 23% of them were for generic drugs. CMS names the drug for 546 of them, across 17 drugs with 11 or more claims each, at $427,605 in total drug cost. In 2023, CMS named 484 claims across 15 drugs.
Part D claims, 2024642
Drugs named by CMS17
Total drug cost$427,605
Part D patients109
Dr. Zaiman's Part D claims by kind of drug, 2024
- Generic149 claims23%
- Brand-name493 claims77%
Dr. Zaiman'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.
Drug classes CMS tracks in Dr. Zaiman's Part D claims, 2024
- Antibiotics3%18 of 642 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4842024: 54613%
Drugs named by CMS: 17 in 2024, 15 in 2023.
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
Dr. Ari L. Zaiman offers telehealth to Medicare patients
Dr. Zaiman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zaiman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ari L. Zaiman has 12 publications on record
Dmand AI links 12 papers to Dr. Zaiman, published from 2010 to 2012. 2011 was the busiest year, with 6. The most frequent topics are Hypertension, Pulmonary, Pulmonary Artery and Scleroderma, Systemic. Dr. Zaiman's most frequent co-authors are Laura Kathleen Hummers, MD, James Otis Mudd, MD and Hazim M. El-Haddad, MD.
Papers12
Years published2010 to 2012
Dr. Zaiman's papers by year, 2010 to 2012
Topics Dr. Zaiman writes about most
- Hypertension, Pulmonary
- Pulmonary Artery
- Scleroderma, Systemic
- Analysis of Variance
- Cardiac Catheterization
- Endothelial Cells
- Familial Primary Pulmonary Hypertension
- Hemodynamics
Dr. Zaiman's most frequent co-authors
- Laura Kathleen Hummers, MD5 shared papers
- James Otis Mudd, MD3 shared papers
- Hazim M. El-Haddad, MD2 shared papers
Recent publications by Dr. Zaiman
Proc Natl Acad Sci U S A
Analysis of VarianceBlood PressureCalcium
Blood CellsCell DifferentiationChromosomes, Human
See who Dr. Zaiman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zaiman works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ari L. Zaiman received $1,379 in industry payments from 2016 to 2025
CMS Open Payments shows 79 general payments to Dr. Zaiman from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. GlaxoSmithKline, LLC. paid the most, $297.
General payments to Dr. Zaiman by program year, 2016 to 2025
General payments to Dr. Zaiman by kind, 2016 to 2025
$1.4Kin total
- Food and beverage$1,36899%
- Education$111%
Companies that paid Dr. Zaiman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ari L. Zaiman graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Zaiman graduated from Albert Einstein College of Medicine of Yeshiva University in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ari L. Zaiman's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ari L. Zaiman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ari L. Zaiman's NPI number?
Dr. Ari L. Zaiman's NPI number is 1104862572. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ari L. Zaiman?
Dr. Ari L. Zaiman is a pulmonologist in Towson, Maryland. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Ari L. Zaiman practice?
Dr. Zaiman practices at 6701 North Charles Street, Baltimore, MD 21204. Dr. Zaiman's primary practice is Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare. Dmand AI also links Dr. Zaiman to 1 group practice or clinic.
What is Dr. Ari L. Zaiman's office phone number?
The practice phone on file for Dr. Zaiman is (443) 849-2000.
What is Dr. Ari L. Zaiman's medical license number?
Dr. Zaiman holds Maryland license D56324.
Which hospitals is Dr. Ari L. Zaiman affiliated with?
Dr. Zaiman practices at Greater Baltimore Medical Center in Baltimore, Maryland.
What medical group is Dr. Ari L. Zaiman part of?
Dr. Zaiman is linked to Greater Baltimore Medical Center (GBMC).
Does Dr. Ari L. Zaiman accept Medicare?
Yes. CMS data shows Dr. Zaiman billed Medicare for 720 services in 2024, and Dr. Zaiman accepts Medicare assignment.
Does Dr. Ari L. Zaiman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zaiman as offering telehealth services.
How many Medicare patients does Dr. Ari L. Zaiman see?
CMS counts 362 Medicare patients who saw Dr. Zaiman in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
What services does Dr. Ari L. Zaiman bill to Medicare?
In 2024, Dr. Zaiman's most billed Medicare services were office visit, established patient (99214), critical care (99291) and hospital inpatient care (99232).
Where did Dr. Ari L. Zaiman go to medical school?
Dr. Zaiman graduated from Albert Einstein College of Medicine of Yeshiva University in 1997.
What drugs does Dr. Ari L. Zaiman prescribe most?
In 2024 Medicare Part D data, Dr. Zaiman's most prescribed drugs by claims were Trelegy Ellipta, Anoro Ellipta and Albuterol Sulfate Hfa.
Has Dr. Ari L. Zaiman received payments from drug or device companies?
CMS Open Payments shows $1,379 in general payments to Dr. Zaiman from 24 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Ari L. Zaiman been practicing?
Dr. Zaiman graduated from medical school in 1997, 29 years ago.
Does Dr. Ari L. Zaiman do research?
Dmand AI links 12 publications to Dr. Zaiman, published from 2010 to 2012.
Who does Dr. Ari L. Zaiman publish with?
Dr. Zaiman's most frequent co-authors are Laura Kathleen Hummers, MD (5 shared papers), James Otis Mudd, MD (3 shared papers) and Hazim M. El-Haddad, MD (2 shared papers).
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