Physician Profile
Unclaimed ProfileAbout JOHNSON
Douglas C Johnson, MD is a healthcare provider in Springfield, MA specializing in pulmonary disease. Douglas trained at Harvard Medical School, graduating in 1976. According to Medicare claims data, Douglas cared for 1,660 Medicare patients across 1,729 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (413) 794-7330
- Email not available
Practice Locations
3300 MAIN ST 2ND FL, STE A
Springfield, MA 01107
Procedures Most Often Billed to Medicare
1,729 services · 1,660 patients · 20 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
312 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
283 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
242 |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
114 |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
108 |
| Test for exercise-induced lung stress | Treatment | 94618 |
85 |
| Test to measure rate of airflow | Treatment | 94375 |
73 |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
65 |
| Test for exercise-induced heart and lung stress | Treatment | 94621 |
31 |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
28 |
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 2
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 — 30 related providers in 4 groups
Other pulmonary diseases in Springfield 6
Same specialty, same city.
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1976 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.
Common questions
What is Dr. Johnson's specialty?
Dr. Johnson is a pulmonary disease in Springfield, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
Where can I find Dr. Johnson?
Dr. Johnson is listed at 3300 MAIN ST 2ND FL, STE A, Springfield, MA 01107. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Johnson?
The number on file is (413) 794-7330. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johnson's NPI number?
Dr. Johnson's National Provider Identifier is 1710969738. 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
What is Dr. Johnson's medical education?
Dr. Johnson attended Harvard Medical School, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johnson been practicing?
Dr. Johnson has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Johnson known for?
According to Medicare billing data, Dr. Johnson provides treatments such as test to examine how well the lungs exchange gases and test to measure expiratory airflow and volume changes before and after medication administration, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnson. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.