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Edit this profileAt a glance
- 355 Ovington Avenue, Suite 202, Brooklyn, NY 11209
About Dr. Ashkar
John A. Ashkar, M.D. is a healthcare provider in Brooklyn, NY specializing in pulmonary disease. John is also listed as specializing in internal medicine, critical care medicine, and sleep medicine. According to Medicare claims data, John cared for 2,150 Medicare patients across 6,322 services. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1073568184.
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
- (718) 621-7100
- Email not available
Practice Locations
355 OVINGTON AVENUE SUITE 202
Brooklyn, NY 11209
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
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
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 medicine
Sleep treatments
Specialist evaluations
Specialized testing
Treatments
Procedures Most Often Billed to Medicare
6,322 services · 2,150 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
178 | More often than most peers in Pulmonary Disease |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
246 | More than most peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
233 | More often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
185 | More often than most peers in Pulmonary Disease |
| Test for exercise-induced heart and lung stress | Treatment | 94621 |
152 | More than most peers in Pulmonary Disease |
| Assessment of emotional or behavioral problems | Treatment | 96127 |
124 | More often than most peers in Pulmonary Disease |
| Influenza vaccine, inactivated | Treatment | 90653 |
51 | More often than most peers in Pulmonary Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
29 | As often as other peers in Pulmonary Disease |
| Evaluation of use of breathing device | Treatment | 94664 |
15 | Less often than most peers in Pulmonary Disease |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
1,691 | More 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 Brooklyn 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1996 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does John A. Ashkar specialize in?
John A. Ashkar is a lung specialist in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is John A. Ashkar located?
John A. Ashkar is listed at 355 Ovington Avenue Suite 202, Brooklyn, NY 11209. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John A. Ashkar's phone number?
The number on file is (718) 621-7100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John A. Ashkar's NPI number?
John A. Ashkar's National Provider Identifier is 1073568184. 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 John A. Ashkar train?
John A. Ashkar attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has John A. Ashkar been practicing?
John A. Ashkar has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does John A. Ashkar do most often?
According to Medicare billing data, John A. Ashkar performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as test to determine lung volumes using gas dilution or washout and test to examine how well the lungs exchange gases, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John A. Ashkar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John A. Ashkar. If this is you, claiming it is free.
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