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Edit this profileAt a glance
- 2700 Quarry Lake Dr, Suite 220, Baltimore, MD 21209
About Dr. Han
William Han, M.D. is a healthcare provider in Baltimore, MD specializing in pulmonary disease. William trained at University of Maryland School of Medicine, graduating in 1998. William is also listed as specializing in critical care medicine. According to Medicare claims data, William cared for 164 Medicare patients across 270 services. The services billed most often include critical care, first 30-74 minutes, critical care, each additional 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. This provider record is associated with NPI 1558325316.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 601-9200
- Email not available
Practice Locations
2700 QUARRY LAKE DR SUITE 220
Baltimore, MD 21209
Conditions Commonly Evaluated or Treated
Within Pulmonary Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Chronic conditions
Most searched conditions
Airway disorders
Blood vessel disorders
Critical care
Diagnostic findings
Environmental lung diseases
Genetic conditions
Infections
- Community-acquired pneumonia
- Fungal lung infection
- Legionnaires' Disease
- Lung abscess
- NTM lung infection
- Severe Pneumonia
- Tuberculosis
- Valley fever
- Walking Pneumonia in Children
- Whooping Cough
Inflammatory conditions
Lung growths
Occupational & environmental
Pleural disorders
Post-infection conditions
Sleep disorders
- Excessive daytime sleepiness
- Shallow Breathing In Sleep
- Snoring
- Upper Airway Resistance Syndrome
- Waking Up Gasping Or Choking
Structural lung conditions
Symptoms
- Blue Baby Syndrome
- Chest congestion
- Coughing up blood
- Low oxygen levels
- Rapid Breathing
- Severe asthma attack
- Wheezing
Procedures & services
Breathing
- CPAP Setup and Mask Troubleshooting
- Home Oxygen Therapy Training
- Nebulizer Breathing Treatment Training
Sleep medicine
Treatments
Most searched procedures
Airway care
Airway management
Biopsies
Biopsies & diagnostics
Breathing tests
- 6-minute walk test
- Asthma challenge test
- Cardiopulmonary Exercise Testing (CPET)
- Exhaled nitric oxide test
Cancer diagnostic procedures
Consultations
Counseling & prevention
Critical care
Diagnostic procedures
Drainage care
Imaging
Interventional procedures
Lab tests
Lung tests
Medications
Monitoring
Pleural procedures
- Chest tube insertion
- Draining lung fluid
- Medical thoracoscopy
- Permanent chest drain insertion
- Pleural sealing procedure
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep treatments
Specialist evaluations
Specialized testing
Procedures Most Often Billed to Medicare
270 services · 164 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
165 | More often than most peers in Pulmonary Disease |
| Critical care, each additional 30 minutes | Office visit | 99292 |
72 | More often than most peers in Pulmonary Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
33 | Less often than most peers in Pulmonary Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other lung specialists in Baltimore 8
Same specialty, same city.
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1998 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is William Han's specialty?
William Han is a lung specialist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where can I find William Han?
William Han is listed at 2700 Quarry Lake Dr Suite 220, Baltimore, MD 21209. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact William Han?
The number on file is (410) 601-9200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William Han's NPI number?
William Han's National Provider Identifier is 1558325316. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is William Han's education?
William Han attended University of Maryland School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has William Han been practicing?
William Han has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is William Han known for?
According to Medicare billing data, William Han the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William Han confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William Han. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.