Physician Profile
Unclaimed ProfileAbout Dr. Langdon
Based in Portland, ME, David Russell Langdon, M.D. is listed in the NPI registry under diagnostic radiology. David graduated from Boston University School of Medicine in 1991. According to Medicare claims data, David cared for 2,994 Medicare patients across 3,280 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
- (207) 879-3000
- Email not available
Practice Locations
144 STATE ST
Portland, ME 04101
Procedures Most Often Billed to Medicare
3,280 services · 2,994 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
512 |
| X-ray of chest, 1 view | Imaging | 71045 |
305 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
180 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
159 |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
159 |
| Ct scan head or brain without contrast | Imaging | 70450 |
156 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
146 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
137 |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
132 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
131 |
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 diagnostic radiology specialists at this location 3
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 diagnostic radiology specialists in Portland 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Boston University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Boston University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in ME who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Langdon?
Dr. Langdon is a diagnostic radiology in Portland, ME. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
What is Dr. Langdon's address?
Dr. Langdon is listed at 144 STATE ST, Portland, ME 04101. 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. Langdon?
The number on file is (207) 879-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Langdon's NPI number?
Dr. Langdon's National Provider Identifier is 1083691034. 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. Langdon train?
Dr. Langdon attended Boston University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Langdon been practicing?
Dr. Langdon has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Langdon perform?
According to Medicare billing data, Dr. Langdon performs imaging including x-ray of chest, 2 views and x-ray of chest, 1 view; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Langdon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Langdon. 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.