Selvin Gnanakkan, OD
NPI 1104980846 · Optometrist · Glendale, AZ
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Selvin Gnanakkan, OD is a Optometrist provider in Glendale, AZ (NPI 1104980846).
Provider details
- NPI number
- 1104980846
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- OPT-001127 (AZ)
Specialties & taxonomies
Eye and Vision Services Providers
Allopathic & Osteopathic Physicians
Eye and Vision Services Providers
Eye and Vision Services Providers
Eye and Vision Services Providers
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
318 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 Complete Exam of Visual System92014 | 82 | $130 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $133 |
| Established Patient Problem Focused Exam of Visual System92012 | 40 | $92 |
| Imaging of Optic Nerve92133 | 36 | $37 |
| Imaging of Retina92134 | 35 | $42 |
| Photography of the Retina92250 | 28 | $38 |
| Exam of Visual Field With Extended Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 214 | 69 |
| Ketorolac Tromethamine | 117 | 67 |
| Erythromycin Basebrand: Erythromycin | 81 | 50 |
| Brimonidine Tartrate | 41 | 22 |
| Cromolyn Sodium | 33 | 20 |
| Timolol Maleate | 26 | 12 |
| Azelastine Hcl | 21 | 14 |
| Bimatoprostbrand: Lumigan |
Practice location
Mailing address
Additional practice locations (2)
- 3110 Lord Baltimore Dr Ste 103Baltimore, MD 21244-2644Phone: (410) 277-3937Fax: (410) 281-9388
- 14465 Potomac Mills RdWoodbridge, VA 22192-6807Phone: (703) 494-6184Fax: (703) 499-9744
Registry dates
- Enumerated
- 2006-12-20
- Last updated
- 2026-03-21
- Certified
- 2026-03-21
Frequently asked questions
- What is Selvin Gnanakkan's NPI number?
- Selvin Gnanakkan's National Provider Identifier (NPI) is 1104980846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Selvin Gnanakkan's specialty?
- Selvin Gnanakkan is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Selvin Gnanakkan located?
- Selvin Gnanakkan's practice location on file with NPPES is 7122 N 59th Ave Fl 1, Glendale, AZ 85301-2436.
- What is Selvin Gnanakkan's phone number?
- The practice phone number listed in the NPPES registry for Selvin Gnanakkan is (623) 931-1043.
- Does Selvin Gnanakkan accept Medicare?
- Selvin Gnanakkan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Selvin Gnanakkan's NPI active?
- Yes — Selvin Gnanakkan's NPI (1104980846) is active in the NPPES registry as of the last update on 2026-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.