Doctor profile · Federal record
Dr. Walter Nieves, MD
Ophthalmology Physician (CMS: Ophthalmology) · Eyewear Supplier · Isabela, PR
- NPI 1225007453
- Accepts Medicare
- 32 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3285 Ave Militar
Isabela, PR 006624091
(787) 830-5784
fax (787) 830-2436 - Mailing address
-
Po Box 1967
Isabela, PR 006621967
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- March 10, 2026
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Puerto Rico #12791
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225007453. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
28
Distinct HCPCS
1
Medicare allowed
$2,511
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92012 |
Established patient problem focused exam of visual system | 28 | 18 | $90 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 28. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,972
Patients
719
Total drug cost
$100,203
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 1,722 | 261 | $18,810 |
| Levobunolol Hcl | Generic | 392 | 93 | $7,325 |
| Prednisolone Acetate | Generic | 306 | 181 | $12,265 |
| Alphagan P (Brimonidine Tartrate) | Brand | 138 | 31 | $27,999 |
| Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) | Brand | 83 | 14 | $13,337 |
| Timolol Maleate | Generic | 60 | 16 | $542 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 56 | 14 | $2,399 |
| Dorzolamide Hcl | Generic | 49 | 13 | $1,435 |
| Fluorometholone | Generic | 42 | 31 | $2,849 |
| Brimonidine Tartrate | Generic | 30 | 11 | $3,822 |
Frequently asked questions
What is Dr. Walter Nieves's medical specialty?
Dr. Walter Nieves practices Ophthalmology Physician in Isabela, PR.
Where does Dr. Walter Nieves practice?
Dr. Walter Nieves practices at 3285 Ave Militar, Isabela, PR 006624091. Office phone: 7878305784.
What is Dr. Walter Nieves's NPI?
Dr. Walter Nieves's National Provider Identifier (NPI) is 1225007453, issued by NPPES.
Does Dr. Walter Nieves accept Medicare assignment?
Yes. Dr. Walter Nieves accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Nieves commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012). Source: CMS Medicare Physician & Other Practitioners file.