John Garrett, M.D.
NPI 1104829449 · Specialist · Iron Mountain, MI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Garrett, M.D. is a Specialist provider in Iron Mountain, MI (NPI 1104829449).
Provider details
- NPI number
- 1104829449
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 28873-20 (WI)
Specialties & taxonomies
Other Service Providers
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,142 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) |
|---|---|---|
| Photography of the Retina92250 | 190 | $35 |
| Established Patient Complete Exam of Visual System92014 | 182 | $122 |
| Microfluid Analysis of Tears83861 | 130 | $22 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 102 | $492 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 91 | $39 |
| New Patient Complete Exam of Visual System92004 | 61 | $144 |
| Insertion of Drug Delivery Implant Into Tear Duct of Eye |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 419 | 97 |
| Prednisolone Acetate | 285 | 188 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 111 | 35 |
| Ofloxacin | 93 | 61 |
| Timolol Maleate | 90 | 26 |
| Erythromycin Basebrand: Erythromycin | 51 | 26 |
| Brimonidine Tartrate | 44 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$160 across 8 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
Registry dates
- Enumerated
- 2005-05-31
- Last updated
- 2019-01-28
Frequently asked questions
- What is John Garrett's NPI number?
- John Garrett's National Provider Identifier (NPI) is 1104829449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Garrett's specialty?
- John Garrett is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Garrett located?
- John Garrett's practice location on file with NPPES is 1301 Carpenter Avenue, Iron Mountain, MI 49801-4728.
- What is John Garrett's phone number?
- The practice phone number listed in the NPPES registry for John Garrett is (906) 774-1404.
- Does John Garrett accept Medicare?
- John Garrett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Garrett's NPI active?
- Yes — John Garrett's NPI (1104829449) is active in the NPPES registry as of the last update on 2019-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.