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HASSAN A CHAMI M.D.
NPI 1497869382
Internal Medicine - Pulmonary Disease in Baltimore, MD

Active since August 18, 2006PECOS Enrolled
5501 HOPKINS BAYVIEW CIR FL 4, BALTIMORE, MD 21224(410) 550-2304(410) 550-2612 Get Directions Write a Review

NPPES record last updated: July 18, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 18, 2023, Aug 3, 2021 (2 updates tracked since 2021).

About Hassan A Chami M.d. NPPES

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

HASSAN A CHAMI M.D. (NPI 1497869382) is an individual pulmonary disease provider in Baltimore, Maryland, licensed in Maryland (D91802) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Bayview Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1497869382
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameHASSAN A CHAMICredential: M.D.
Location Address5501 HOPKINS BAYVIEW CIR FL 4Baltimore, MD 21224-6821
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-6423
Phone(410) 550-2304
Fax(410) 550-2612
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateAugust 18, 2006
Last NPPES UpdateJuly 18, 20232 updates tracked since enumeration
NPPES CertifiedJuly 18, 2023
✔ NPI 1497869382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
Licenses✔ Licensed in MD · D91802✔ Licensed in DC · MD049159
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 MedicineTaxonomy 207R00000X · License 226975 (MA)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License D91802 (MD)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License D91802 (MD)
5501 HOPKINS BAYVIEW CIR FL 4, Baltimore, MD 21224
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1Boston University Medical Center, 715 Albany Street, Room 304Boston, MA 02118 · Phone (617) 638-4860
Location 25255 Loughboro Rd NWWashington, DC 20016-2633 · Phone (202) 329-7105

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hassan A Chami M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2163560962
PECOS Enrollment IDI20210803002903, I20211025000968
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Hassan Chami reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johns Hopkins University
0.1 mi
Clinical Medical Laboratory
5501 HOPKINS BAYVIEW CIR, ROOM 1A20
Baltimore, MD 21224
  • Reassigned Medicare billing, Maryland enrollment
  • Also billed through NPI 1689162034 (Maryland)
  • 4,483 clinicians in this Medicare group
NPI 1306810619 (410) 550-3362
Johns Hopkins University
2.3 mi
Pulmonary Disease
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, District of Columbia enrollment
  • 8 clinicians in this Medicare group
NPI 1831186808 (410) 558-5238
Johns Hopkins University
2.3 mi
Sleep Medicine
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 5 clinicians in this Medicare group
NPI 1871080721 (410) 955-5000
Global Care Medical Group, P.C.
360 mi
Primary Care
600 CLARK RD
Tewksbury, MA 01876
  • Reassigned Medicare billing, Massachusetts enrollment
  • Medicare enrollment name: Global Care Medical Group PC
  • 21 clinicians in this Medicare group
NPI 1902870884 (978) 453-8261
Incare LLC
367 mi
Internal Medicine
565 TURNPIKE ST STE 85
North Andover, MA 01845
  • Reassigned Medicare billing, Massachusetts enrollment
  • 71 clinicians in this Medicare group
NPI 1639655467 (978) 689-2247

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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 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.
45 services33 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
29 services29 patients
Sleep study including heart rate, breathing, airflow, and effort 95806
A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.
18 services18 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.
17 services16 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.
13 services13 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210029
Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21224 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 12

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
2 suppliers19 claims19 services$34.30 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
2 suppliers19 claims19 services$48.06 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
3 suppliers20 claims20 services$16.21 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
3 suppliers20 claims120 services$1.91 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$14.31 avg. paid by Medicare
Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
2 suppliers40 claims40 services$11.97 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 2

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

JOHNS HOPKINS UNIVERSITY
Internal Medicine (Allergy & Immunology)
5501 HOPKINS BAYVIEW CIR FL 4
BALTIMORE, MD 21224
Baltimore City (410) 550-0571
DR. JOHN C HUETSCH MD
Internal Medicine (Pulmonary Disease)
5501 HOPKINS BAYVIEW CIR FL 4
BALTIMORE, MD 21224
Baltimore City (410) 550-2304

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 Hassan Chami's NPI number?

The NPI number for Hassan Chami is 1497869382. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Where is Hassan Chami located?

Hassan Chami practices at 5501 Hopkins Bayview Cir Fl 4, Baltimore, MD 21224. The listed phone number is (410) 550-2304.

What is Hassan Chami's specialty?

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

Is Hassan Chami enrolled in Medicare?

Yes. Hassan Chami is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Hassan Chami's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hassan Chami reassigns Medicare benefits to 5 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD), Global Care Medical Group, P.C. (Tewksbury, MA) and Incare LLC (North Andover, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hassan Chami's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Hassan Chami affiliated with any hospitals?

According to CMS data, Hassan Chami is affiliated with Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for Hassan Chami was last updated on July 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.