Are you David R. Langdon, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 144 State St, Portland, ME 04101
About Dr. Langdon
Based in Portland, ME, David R. 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. The services billed most often include x-ray of chest, 2 views, x-ray of chest, 1 view, and x-ray of knee, 4 or more views. NPI 1083691034 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
- (207) 879-3000
- Email not available
Practice Locations
144 STATE ST
Portland, ME 04101
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology 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
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
3,280 services · 2,994 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
512 | More than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
305 | As often as other peers in Diagnostic Radiology |
| X-ray of knee, 4 or more views | Imaging | 73564 |
180 | More than most peers in Diagnostic Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
159 | More than most peers in Diagnostic Radiology |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
159 | More than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
156 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
146 | As often as other peers in Diagnostic Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
137 | More than most peers in Diagnostic Radiology |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
132 | More than most peers in Diagnostic Radiology |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
131 | More often than most peers in Diagnostic Radiology |
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 radiologists 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 radiologists 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 David R. Langdon?
David R. Langdon is a radiologist in Portland, ME. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is David R. Langdon's address?
David R. 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 David R. Langdon?
The number on file is (207) 879-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is David R. Langdon's NPI number?
David R. 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 David R. Langdon train?
David R. Langdon attended Boston University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has David R. Langdon been practicing?
David R. 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 David R. Langdon perform?
According to Medicare billing data, David R. 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 David R. Langdon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by David R. Langdon. If this is you, claiming it is free.
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