Physician Profile
Unclaimed ProfileAbout JUN
Jonathan C Jun, M.D. practises pulmonary disease in Baltimore, MD. Jonathan is a 2003 graduate of University of Maryland School of Medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Jun specialise in?
Dr. Jun is a pulmonary disease in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
Where is Dr. Jun located?
Dr. Jun is listed at 5501 HOPKINS BAYVIEW CIR FL 2, Baltimore, MD 21224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Jun's phone number?
The number on file is (443) 287-3313. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Jun's NPI number?
Dr. Jun's National Provider Identifier is 1083751846. 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
Where did Dr. Jun go to medical school?
Dr. Jun attended University of Maryland School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Jun been practising?
Dr. Jun has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Jun do most often?
According to Medicare billing data, Dr. Jun provides treatments such as sleep study including heart rate, breathing, airflow, and effort and sleep study in sleep lab, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Jun confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Jun. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (443) 287-3313
- Email not available
Practice Locations
5501 HOPKINS BAYVIEW CIR FL 2
Baltimore, MD 21224
Procedures Most Often Billed to Medicare
388 services · 364 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
62 |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
44 |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
31 |
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
25 |
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
57 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
53 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
32 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
16 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
15 |
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.
Other pulmonary diseases at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 32 related providers in 4 groups
Other pulmonary diseases 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.
Class of 2003 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Sleep study including heart rate, breathing, airflow, and effort 8
Providers in MD who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.