Karla M. Diaz Zayas, MD
General Practice Physician · Barranquitas, PR
Karla M. Diaz Zayas, MD is a general practice physician with a practice address in Barranquitas, Puerto Rico, and NPI 1265114789, issued on Aug 3, 2023. Check the license (Puerto Rico 023387, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karla M. Diaz Zayas
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 023387 PR
Self-reported in NPPES; status is on the state search - Practice location
- BO. Palo Hincado, Carr. 156, KM 11.6, Int, Barranquitas, PR 00794
- Phone
- (714) 745-9862
- Enumerated
- Aug 3, 2023
- Record last updated
- Aug 3, 2023
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Karla M. Diaz Zayas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 023387Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average general practice physician in 2024
282 Medicare Part D claims for 181 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Ciprofloxacin Hcl31 claims
- Azithromycin30 claims
- Doxycycline Hyclate29 claims
- Famotidine21 claims
- Amoxicillin-Clavulanate Potass20 claims
- Ibuprofen18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $69.58
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karla M. Diaz Zayas among 4,170 general practice physician records in Puerto Rico
Karla M. Diaz Zayas, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 90% of them.
- NPI issued2023 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 general practice physician records list a practice address in Barranquitas
They are 14 of the 122 NPPES records with a practice address in Barranquitas, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Barranquitas → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Hector Alicea Colon, MDBarranquitas, PR 007941114770492
- Juan Alvarado Rivera, MDBarranquitas, PR 007941447337217
- Edgardo Aponte, M.D.Barranquitas, PR 007941578530929
- Carlos Bonet VazquezBarranquitas, PR 007941154075695
- Rafael Del Campo, M.D.Barranquitas, PR 007941578509709
- Roberto Encarnacion, MDBarranquitas, PR 007941154480473
- Fe Fernandez Cabrera, MDBarranquitas, PR 007941407965304
- Juan Guerrero, MDBarranquitas, PR 007941801810700
Common questions
What is Karla M. Diaz Zayas, MD's NPI number?
Karla M. Diaz Zayas, MD's National Provider Identifier (NPI) is 1265114789, issued on Aug 3, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Karla M. Diaz Zayas, MD located?
The NPPES record lists a practice address at BO. Palo Hincado, Carr. 156, KM 11.6, Int, Barranquitas, PR, 00794. Phone: (714) 745-9862. Providers update this record themselves, so call before visiting.
How can I verify Karla M. Diaz Zayas, MD's license?
NPPES lists Puerto Rico license number 023387, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Karla M. Diaz Zayas, MD prescribe under Medicare Part D?
In 2024, Karla M. Diaz Zayas, MD had 282 Medicare Part D claims for 181 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.