Individual provider

Francisco Guevara, MD

Glaucoma Specialist (Ophthalmology) Physician Student in an Organized Health Care Education/Training Program Medicare enrolled

Francisco Guevara, MD is a Glaucoma Specialist (Ophthalmology) Physician in Aguada, PR, registered under NPI 1104374859. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.

Getting there

The practice address on file is 102 CALLE CENTRAL EDIF. CENTRAL PLEX STE. 309, Aguada, PR 00602. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

102 CALLE CENTRAL EDIF. CENTRAL PLEX STE. 309, Aguada, PR 00602 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
22866 PR Glaucoma Specialist (Ophthalmology)… primary
844-10-3248 PR Student in an Organized Health Care…

This provider holds licence 22866 issued in PR. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Ophthalmology
PAC ID
7719332659
Enrollment ID
I20231011004254

Medicare enrolment is recorded as approved under the provider type Practitioner - Ophthalmology. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

What Glaucoma Specialist covers

An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions. NUCC Health Care Provider Taxonomy, code 207WX0009X
Allopathic & Osteopathic Physicians Ophthalmology Glaucoma Specialist

All registered taxonomy codes

This provider registers 3 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
207WX0009X Glaucoma Specialist (Ophthalmology) Physician Glaucoma Specialist 22866 PR primary
390200000X Student in an Organized Health Care Education/Training Program
390200000X Student in an Organized Health Care Education/Training Program 844-10-3248 PR

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1104374859 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateSep 12, 2016
Last updatedMay 24, 2023
StatusActive
Sole proprietorYes
CredentialMD
Practice address 102 CALLE CENTRAL
EDIF. CENTRAL PLEX STE. 309
Aguada, PR 00602
(787) 589-7169
Mailing address 6431 FANNIN SUITE 7.024
Houston, TX 77030
The last update on file is May 24, 2023. Providers are only required to update NPPES when their information changes, so an older date does not necessarily mean the details are wrong — but it is worth a quick call before you travel.

Number check

1104374859 passes the NPI check digit test The final digit 9 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 1 0 4 3 7 4 8 5
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 1 0 4 6 7 8 8 1

Sum = 61 · next multiple of 10 = 70 · check digit = 9 · actual last digit = 9

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1104374859?
NPI 1104374859 is the National Provider Identifier assigned to Francisco Guevara, MD in Aguada, PR. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Glaucoma Specialist cover?
An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions.
How do I contact Francisco Guevara, MD?
The phone number on file with NPPES is (787) 589-7169, last updated May 24, 2023. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Francisco Guevara, MD accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1104374859 a valid number?
Yes. 1104374859 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.