Physician Profile
Diane T. Siegel, MD
Unclaimed ProfileAbout Dr. Siegel
Based in Longmont, CO, Diane T. Siegel, MD is listed in the NPI registry under ophthalmology. Diane graduated from Emory University School of Medicine in 2018. According to Medicare claims data, Diane cared for 1,025 Medicare patients across 1,257 services. The services billed most often include established patient complete exam of visual system, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and photography of the retina. NPI 1316443914 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
- (303) 772-3300
- Email not available
Practice Locations
1400 DRY CREEK DR
Longmont, CO 80503
300 Exempla Cir Ste 120
Lafayette, CO 80026
3000 Center Green Dr Ste 250
Boulder, CO 80301
Conditions Commonly Evaluated or Treated
Within Ophthalmology 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
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,257 services · 1,025 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
133 | As often as other peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
20 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
19 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
212 | As often as other peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
147 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
124 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
74 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
61 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
35 | Less often than most peers in Ophthalmology |
| Photography of content of eyes | Treatment | 92285 |
34 | As often as other peers in Ophthalmology |
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 eye doctors at this location 8
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 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other eye doctors in Longmont 2
Same specialty, same city.
Trained at Emory University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Emory University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in CO who bill this service to Medicare most often.
Common questions
What is Dr. Siegel's specialty?
Dr. Siegel is an eye doctor in Longmont, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Siegel?
Dr. Siegel is listed at 1400 Dry Creek Dr, Longmont, CO 80503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Siegel?
The number on file is (303) 772-3300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Siegel's NPI number?
Dr. Siegel's National Provider Identifier is 1316443914. 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. Siegel's medical education?
Dr. Siegel attended Emory University School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Siegel been practicing?
Dr. Siegel has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Siegel known for?
According to Medicare billing data, Dr. Siegel performs procedures including removal of cataract with insertion of prosthetic lens, closure of tear duct opening using plug and removal of recurring cataract in lens capsule using a laser; provides treatments such as established patient complete exam of visual system and photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Siegel confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Siegel. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.