Physician Profile
Theodore S. Ingrassia, M.D.
Unclaimed ProfileAbout Dr. Ingrassia
Based in Rockford, IL, Theodore S. Ingrassia, M.D. is listed in the NPI registry under pulmonary disease. According to Medicare claims data, Theodore cared for 825 Medicare patients across 927 services. The services billed most often include test to measure expiratory airflow and volume, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and test for exercise-induced lung stress. NPI 1437263662 identifies this record in the national registry.
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
- (815) 397-7212
- Email not available
Practice Locations
535 ROXBURY RD SUITE B600
Rockford, IL 61107
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
927 services · 825 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to measure expiratory airflow and volume | Treatment | 94010 |
226 | More often than most peers in Pulmonary Disease |
| Test for exercise-induced lung stress | Treatment | 94618 |
83 | More often than most peers in Pulmonary Disease |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
48 | More often than most peers in Pulmonary Disease |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
26 | As often as other peers in Pulmonary Disease |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
23 | As often as other peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
21 | Less often than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
20 | Less often than most peers in Pulmonary Disease |
| Influenza vaccine, inactivated | Treatment | 90653 |
18 | As often as other peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
13 | Less often than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
127 | More 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.
Other lung specialists at this location 4
Same specialty, same street address — most likely the same department or group.
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 Rockford 6
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Test to measure expiratory airflow and volume 7
Providers in IL who bill this service to Medicare most often.
Common questions
What does Theodore S. Ingrassia specialize in?
Theodore S. Ingrassia is a lung specialist in Rockford, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is Theodore S. Ingrassia located?
Theodore S. Ingrassia is listed at 535 Roxbury Rd Suite B600, Rockford, IL 61107. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Theodore S. Ingrassia's phone number?
The number on file is (815) 397-7212. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Theodore S. Ingrassia's NPI number?
Theodore S. Ingrassia's National Provider Identifier is 1437263662. 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 Theodore S. Ingrassia train?
Theodore S. Ingrassia attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Theodore S. Ingrassia been practicing?
Theodore S. Ingrassia has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Theodore S. Ingrassia do most often?
According to Medicare billing data, Theodore S. Ingrassia provides treatments such as test to measure expiratory airflow and volume and test for exercise-induced lung stress, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Theodore S. Ingrassia confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Theodore S. Ingrassia. If this is you, claiming it is free.
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