William Gange, MD
NPI 1700313368 · Retina Specialist (Ophthalmology) Physician · Fort Collins, CO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gange, MD is a Retina Specialist (Ophthalmology) Physician provider in Fort Collins, CO (NPI 1700313368).
Provider details
- NPI number
- 1700313368
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0065695 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,985 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 2,163 | $42 |
| Injection of Drug Into Eye67028 | 1,430 | $129 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 932 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 127 | $170 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $93 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 48 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 269 | 153 |
| Moxifloxacin Hclbrand: Moxifloxacin | 153 | 125 |
| Ketorolac Tromethamine | 83 | 35 |
| Latanoprost | 26 | — |
| Brimonidine Tartrate | 26 | 13 |
| Difluprednate | 20 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$714 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 1675 Aurora CtAurora, CO 80045-2517Phone: (720) 848-0000
- 1701 61st AveGreeley, CO 80634-7989Phone: (970) 221-2222Fax: (970) 377-9827
- 2555 E 13th St Ste 225Loveland, CO 80537-5133Phone: (970) 221-2222Fax: (970) 377-9827
- 3 Erie Ct Ste L700Oak Park, IL 60302-2519Phone: (708) 763-1222Fax: (708) 763-1471
Registry dates
- Enumerated
- 2017-05-15
- Last updated
- 2023-07-19
- Certified
- 2023-07-19
Frequently asked questions
- What is William Gange's NPI number?
- William Gange's National Provider Identifier (NPI) is 1700313368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gange's specialty?
- William Gange is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Gange located?
- William Gange's practice location on file with NPPES is 3151 Precision Dr, Fort Collins, CO 80528-4601.
- What is William Gange's phone number?
- The practice phone number listed in the NPPES registry for William Gange is (970) 221-2222.
- Does William Gange accept Medicare?
- William Gange is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gange's NPI active?
- Yes — William Gange's NPI (1700313368) is active in the NPPES registry as of the last update on 2023-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.