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Edit this profileAt a glance
- 55 Madison St, 355, Denver, CO 80206
About Dr. Belen
Gary Belen, M.D. is a specialist based in Denver, CO. Gary is a 1997 graduate of University of Missouri, Kansas City, School of Medicine. Medicare claims data shows Gary provided 1,345 services to 1,013 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, imaging of optic nerve, and measurement of corneal curvature and depth of eye. The provider's National Provider Identifier (NPI) is 1841274933.
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
- (303) 398-7320
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
55 MADISON ST 355
Denver, CO 80206
Procedures Most Often Billed to Medicare
1,345 services · 1,013 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
167 | As often as other peers in Specialist |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
43 | As often as other peers in Specialist |
| Dilation of fluid outflow drainage within eye | Procedure | 66174 |
20 | Too few peers to compare |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
13 | Less often than most peers in Specialist |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
46 | More often than most peers in Specialist |
| Imaging of optic nerve | Treatment | 92133 |
218 | More often than most peers in Specialist |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
200 | As often as other peers in Specialist |
| Exam of visual field with extended testing | Treatment | 92083 |
174 | More often than most peers in Specialist |
| Exam of the internal drainage system of eye | Treatment | 92020 |
20 | Less often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
376 | More often than most peers in Specialist |
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 specialists 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 specialists in Denver 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Missouri, Kansas City, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at University of Missouri, Kansas City, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Gary Belen's specialty?
Gary Belen is a specialist in Denver, CO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Gary Belen?
Gary Belen is listed at 55 Madison St 355, Denver, CO 80206. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gary Belen?
The number on file is (303) 398-7320. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gary Belen?
Gary Belen's National Provider Identifier is 1841274933. 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 Gary Belen's education?
Gary Belen attended University of Missouri, Kansas City, School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gary Belen have?
Gary Belen has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Gary Belen known for?
According to Medicare billing data, Gary Belen performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and dilation of fluid outflow drainage within eye; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as imaging of optic nerve and measurement of corneal curvature and depth of eye, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gary Belen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gary Belen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.