Calvin Mein, M.D.
NPI 1164487617 · Ophthalmology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Mein, M.D. is a Ophthalmology Physician provider in San Antonio, TX (NPI 1164487617).
Provider details
- NPI number
- 1164487617
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- F7842 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
5,860 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 | 2,177 | $40 |
| Injection of Drug Into Eye67028 | 1,571 | $133 |
| Established Patient Complete Exam of Visual System92014 | 942 | $126 |
| Photography of the Retina92250 | 491 | $37 |
| Established Patient Problem Focused Exam of Visual System92012 | 211 | $89 |
| New Patient Complete Exam of Visual System92004 | 159 | $149 |
| Unclassified BiologicsJ3590 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 129 | 90 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 101 | 40 |
| Tobramycin | 90 | 71 |
| Difluprednate | 49 | 28 |
| Bromfenac Sodium | 47 | 16 |
| Latanoprost | 37 | — |
| Timolol Maleate | 26 | 14 |
| Brimonidine Tartrate | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,271 across 19 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
- 2006-04-18
- Last updated
- 2024-06-12
- Certified
- 2024-06-12
Frequently asked questions
- What is Calvin Mein's NPI number?
- Calvin Mein's National Provider Identifier (NPI) is 1164487617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Mein's specialty?
- Calvin Mein is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Mein located?
- Calvin Mein's practice location on file with NPPES is 21 Spurs Ln, San Antonio, TX 78240-1669.
- What is Calvin Mein's phone number?
- The practice phone number listed in the NPPES registry for Calvin Mein is (800) 833-5921.
- Does Calvin Mein accept Medicare?
- Calvin Mein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Mein's NPI active?
- Yes — Calvin Mein's NPI (1164487617) is active in the NPPES registry as of the last update on 2024-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.