Mark Canfield, O.D.
NPI 1336282623 · Optometrist · Greenville, MI
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Canfield, O.D. is a Optometrist provider in Greenville, MI (NPI 1336282623).
Provider details
- NPI number
- 1336282623
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4901003564 (MI)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
157 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Problem Focused Exam of Visual System92012 | 75 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $116 |
Typical Medicare-allowed amounts for these services range $79–$116 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 137 | 36 |
| Erythromycin Basebrand: Erythromycin | 43 | 17 |
| Timolol Maleate | 34 | — |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 29 | 19 |
| Cyclosporine | 16 | — |
| Cyclosporinebrand: Restasis | 16 | — |
| Brimonidine Tartrate | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Canfield's NPI number?
- Mark Canfield's National Provider Identifier (NPI) is 1336282623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Canfield's specialty?
- Mark Canfield is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Canfield located?
- Mark Canfield's practice location on file with NPPES is 322 S Lafayette St, Greenville, MI 48838-1965.
- What is Mark Canfield's phone number?
- The practice phone number listed in the NPPES registry for Mark Canfield is (616) 754-4696.
- Does Mark Canfield accept Medicare?
- Mark Canfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Canfield's NPI active?
- Yes — Mark Canfield's NPI (1336282623) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.