ARI ZAIMAN M.D.
NPI 1104862572
Internal Medicine - Pulmonary Disease in Towson, MD

Active since June 22, 2006PECOS EnrolledAccepts Medicare Assignment
6565 N CHARLES ST STE 411, TOWSON, MD 21204(443) 849-3901(443) 849-3902 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ari Zaiman M.d. NPPES

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

ARI ZAIMAN M.D. (NPI 1104862572) is an individual pulmonary disease provider in Towson, Maryland, licensed in Maryland (D56324) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Greater Baltimore Medical Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1997).

NPPES Registry Identity

NPI1104862572
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameARI ZAIMANCredential: M.D.
Location Address6565 N CHARLES ST STE 411Towson, MD 21204-5803
Mailing AddressPo Box 64264Baltimore, MD 21264-4264
Fax(443) 849-3902
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1997
Enumeration DateJune 22, 2006
Last NPPES UpdateNovember 20, 2025
NPPES CertifiedNovember 20, 2025
NPI 1104862572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in MD · D56324
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License D56324 (MD)
6565 N CHARLES ST STE 411, Towson, MD 21204

Other Identifiers 6

OtherV814-0017MD · Carefirst
Other122003MD · Jhhc
Other8089466MD · Cigna
Other7118615MD · Aetna Hmo
Medicaid405531400MD
Other7118615MD · Aetna Ppo

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

Ari Zaiman M.d. 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 ID8123097730
PECOS Enrollment IDI20040930000344
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 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.
99 services80 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
96 services64 patients
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.
81 services58 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
70 services51 patients
Test to determine lung volumes using gas dilution or washout 94727
This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.
62 services62 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
62 services62 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Greater Baltimore Medical Center

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210044
Location6701 North Charles StreetBaltimore, MD 21204 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21204 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.

Referred Medical Equipment & Supplies CMS DME claims 8

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

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$74.53 avg. paid by Medicare
Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
2 suppliers11 claims11 services$12.19 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
4 suppliers48 claims48 services$4.93 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
8 suppliers46 claims46 services$71.24 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers15 claims15 services$36.27 avg. paid by Medicare
Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605
DME-Drugs Administered Through DME · category DG006N
3 suppliers16 claims960 services$3.93 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

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

Family Medicine
6565 N CHARLES ST STE 411
BALTIMORE, MD 21204
Family Medicine
6565 N CHARLES ST STE 411
BALTIMORE, MD 21204
Internal Medicine (Pulmonary Disease)
6565 N CHARLES ST STE 411
BALTIMORE, MD 21204
Internal Medicine (Critical Care Medicine)
6565 N CHARLES ST STE 411
BALTIMORE, MD 21204
Internal Medicine (Pulmonary Disease)
6565 N CHARLES ST STE 411
BALTIMORE, MD 21204
Family Medicine
6565 N CHARLES ST STE 411
BALTIMORE, MD 21204
Internal Medicine (Sleep Medicine)
6565 N CHARLES ST STE 411
TOWSON, MD 21204
Internal Medicine (Critical Care Medicine)
6565 N CHARLES ST STE 411
TOWSON, MD 21204

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 Ari Zaiman's NPI number?

The NPI number for Ari Zaiman is 1104862572. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Ari Zaiman located?

Ari Zaiman practices at 6565 N Charles St Ste 411, Towson, MD 21204. The listed phone number is (443) 849-3901.

What is Ari Zaiman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Ari Zaiman enrolled in Medicare?

Yes. Ari Zaiman 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.

Is Ari Zaiman affiliated with any hospitals?

According to CMS data, Ari Zaiman is affiliated with Greater Baltimore Medical Center.

When was this NPI record last updated?

The NPPES record for Ari Zaiman was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.