Physician Profile
Unclaimed ProfileAbout MADISON
John Mark Madison, M.D. practises pulmonary disease in Worcester, MA. John is a 1979 graduate of Harvard Medical School.
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 kind of doctor is Dr. Madison?
Dr. Madison is a pulmonary disease in Worcester, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
What is Dr. Madison's address?
Dr. Madison is listed at 55 LAKE AVE N DEPARTMENT OF PULMONARY MEDICINE, Worcester, MA 01655. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Madison?
The number on file is (508) 856-6938. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Madison's NPI number?
Dr. Madison's National Provider Identifier is 1821070244. 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. Madison train?
Dr. Madison attended Harvard Medical School, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Madison been practising?
Dr. Madison has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Madison perform?
According to Medicare billing data, Dr. Madison provides treatments such as test to examine how well the lungs exchange gases and test to measure expiratory airflow and volume, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Madison confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Madison. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (508) 856-6938
- Email not available
Practice Locations
55 LAKE AVE N DEPARTMENT OF PULMONARY MEDICINE
Worcester, MA 01655
Procedures Most Often Billed to Medicare
2,106 services · 2,024 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
614 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
450 |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
348 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
330 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
136 |
| Test to measure lung airway sensitivity | Treatment | 94070 |
92 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
39 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
36 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
34 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 1
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 pulmonary diseases in Worcester 7
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Harvard Medical School 7
Other providers in the same specialty who trained at the same institution.
Class of 1979 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Test to examine how well the lungs exchange gases 8
Providers in MA 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.