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Edit this profileAt a glance
- 30701 Woodward Ave Ste 200, Royal Oak, MI 48073
About Dr. Fields
Warren B. Fields, M.D. is a healthcare provider in Royal Oak, MI specializing in pulmonary disease. Warren trained at Indiana University School of Medicine, graduating in 2000. Warren is also listed as specializing in critical care medicine. According to Medicare claims data, Warren cared for 1,770 Medicare patients across 2,638 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. This provider record is associated with NPI 1225158694.
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
- (248) 548-2114
- Email not available
Practice Locations
30701 WOODWARD AVE STE 200
Royal Oak, MI 48073
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
2,638 services · 1,770 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
12 | Less often than most peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
255 | More than most peers in Pulmonary Disease |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
251 | More than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
242 | More than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
39 | As often as other peers in Pulmonary Disease |
| Test for exercise-induced lung stress | Treatment | 94618 |
13 | Less often than most peers in Pulmonary Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
611 | More than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
521 | 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 |
288 | More often than most peers in Pulmonary Disease |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
124 | 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.
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 Royal Oak 8
Same specialty, same city.
Trained at Indiana University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2000 at Indiana University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration of fluid from chest cavity using imaging guidance 8
Providers in MI who bill this service to Medicare most often.
Common questions
What does Warren B. Fields specialize in?
Warren B. Fields is a lung specialist in Royal Oak, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is Warren B. Fields located?
Warren B. Fields is listed at 30701 Woodward Ave Ste 200, Royal Oak, MI 48073. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Warren B. Fields's phone number?
The number on file is (248) 548-2114. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Warren B. Fields's NPI number?
Warren B. Fields's National Provider Identifier is 1225158694. 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 Warren B. Fields train?
Warren B. Fields attended Indiana University School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Warren B. Fields been practicing?
Warren B. Fields has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Warren B. Fields do most often?
According to Medicare billing data, Warren B. Fields performs procedures including aspiration of fluid from chest cavity using imaging guidance; provides treatments such as test to examine how well the lungs exchange gases and test to determine lung volumes using gas dilution or washout, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Warren B. Fields confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Warren B. Fields. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.