NPI registry status
Active
2026 NPPES data Neurology Physician NPI 1245363399
Verify on CMS → Teresa Castro Ponce
Neurology Physician in Guaynabo, Puerto Rico.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 19,866 in Neurology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
11K
Medicare Part D claims · 1K beneficiaries · Neurology Physician avg: 1K
Generic prescribing
95%
generic claims · 5% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Teresa Castro Ponce filed 11,347 Medicare Part D claims in 2023 as a Neurology Physician in Guaynabo, Puerto Rico, prescribing 95% generic.
- 11K
- Part D claims, 2023
- 95%
- generic prescribing
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Teresa Castro Ponce's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
11,347 Top 2% higher than 98% of 1,370,886 prescribers
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Part D Prescriber Public Use File · 2023
◑
Board-eligible specialty (heuristic, not verified)
Teresa Castro Ponce practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Teresa Castro Ponce?
Quality data not reportedPrimary specialty
Neurology Physician
Medicare Part D claims
11,347 9× vs specialty avg
Specialty distribution in Puerto Rico
How Neurology Physician compares to other specialties among Puerto Rico providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Neurology Physician. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Teresa Castro Ponce appears in the CMS NPPES registry as a Neurology Physician provider at MARAMAR PLAZA SUITE 1140, Guaynabo, PR, 00968, with a listed phone of (787) 774-0668. NPI 1245363399 was issued on 03/14/2007.
Medicare Part D records for calendar year 2023 show 11,347 prescription claims written by this provider, covering 1,116 Medicare beneficiaries and totaling roughly $863K in drug spend, split 5% brand-name and 95% generic by claim count, with an opioid prescribing rate of 0.1%.
Neurology Physician is a mid-sized specialty nationwide, with 19,866 enrolled providers across 54 states and an average of 1,309 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1245363399 |
|---|---|
| Specialty | Neurology Physician |
| Gender | Female |
| NPI Issued | 03/14/2007 |
Brand vs generic prescribing mix · Generic-heavy
Teresa Castro Ponce - brand share 5.0%
Neurology Physician average
5% brand-name claims vs 95% generic, on 11,347 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
11,347
Total Claims
$863K
Total Drug Cost
1,116
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 13,566
- Total Day Supply
- 400,713
- Brand vs Generic
- 5% brand / 95% generic
- Brand Drug Cost
- $229K
- Generic Drug Cost
- $634K
- Opioid Claims
- 13 (0.1% rate)
Patient Demographics
- Average Patient Age
- 77.8 years
- Avg HCC Risk Score
- 1.77
- Gender Split
- 68% female / 32% male
- Age Distribution
- <65: 40, 65-74: 349, 75-84: 490, 85+: 237
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Teresa Castro Ponce prescribes most
Top Medicare Part D drugs by claim count, 2023
- Galantamine Er
Galantamine Er
1,338 claims
- Memantine Hcl Er
Memantine Hcl Er
1,305 claims
- Gabapentin
Gabapentin
965 claims
- Rivastigmine
Rivastigmine
616 claims
- Donepezil Hcl
Donepezil Hcl
610 claims
- Galantamine Hbr
Galantamine Hbr
587 claims
- Memantine Hcl 459
Memantine Hcl
459 claims
- Buspirone Hcl 442
Buspirone Hcl
442 claims
| Drug | Claims |
|---|---|
| Galantamine Er Galantamine Hbr | 1,338 |
| Memantine Hcl Er Memantine Hcl | 1,305 |
| Gabapentin | 965 |
| Rivastigmine | 616 |
| Donepezil Hcl | 610 |
| Galantamine Hbr | 587 |
| Memantine Hcl | 459 |
| Buspirone Hcl | 442 |
| Clonazepam | 314 |
| Estazolam | 309 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Neurology Physician Overview
How Teresa Castro Ponce fits within the Neurology Physician landscape nationally.
19,866
Neurology Physician Providers in US
54
States with Neurology Physician
1,309
Avg Claims per Provider
Teresa Castro Ponce's 11,347 claims are above the specialty average of 1,309.
Nearby Neurology Physician Providers in Puerto Rico
Other clinicians with the same primary specialty enrolled in Puerto Rico, drawn from the same CMS NPPES roster as Castro Ponce.
Dr. Jose Acevedo
MD
Mayaguez, PR
Dr. Iris Acevedo-Marty
M.D.
Aguadilla, PR
Dr. Heriberto Acosta
M.D.
San Juan, PR
Dr. Marelisa Albelo Martinez
MD
San Juan, PR
Dr. Gishlaine Alfonso
MD
Hato Rey, PR
Compare Neurology Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Puerto Rico medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Neurology Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
Healthcare Guides
Learn more about finding, verifying, and understanding healthcare providers.
How to Find a Doctor
Step-by-step guide to choosing a provider
Verify Credentials
Check NPI, board certification & license status
Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
Virtual care options and coverage in 2026
Explore Puerto Rico
Frequently Asked Questions
What is Teresa Castro Ponce's specialty? ▼
Teresa Castro Ponce specializes in Neurology Physician and practices in Guaynabo, Puerto Rico.
How much does Teresa Castro Ponce prescribe under Medicare Part D? ▼
In 2023, Teresa Castro Ponce wrote 11,347 Medicare Part D claims totaling $863K in drug costs for 1,116 beneficiaries.
Where is Teresa Castro Ponce located? ▼
Teresa Castro Ponce is located at MARAMAR PLAZA SUITE 1140, Guaynabo, PR, 00968. Phone: (787) 774-0668.
What is Teresa Castro Ponce's NPI number? ▼
Teresa Castro Ponce's National Provider Identifier (NPI) is 1245363399, issued on 03/14/2007.
Does Teresa Castro Ponce prescribe more brand-name or generic drugs? ▼
Teresa Castro Ponce's prescribing is 5% brand-name and 95% generic drugs by claim count, with $229K in brand drug costs.
Does Teresa Castro Ponce prescribe opioids? ▼
Yes, Teresa Castro Ponce had 13 opioid claims in 2023 with an opioid prescribing rate of 0.1%.
How many Neurology Physician providers are there in the US? ▼
There are 19,866 Neurology Physician providers across 54 states in the US. The average Neurology Physician provider writes 1,309 Medicare Part D claims per year.
What drugs does Teresa Castro Ponce prescribe most often? ▼
Based on 2023 Medicare Part D data, Teresa Castro Ponce's most frequently prescribed drugs include Galantamine Er, Memantine Hcl Er, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Teresa Castro Ponce accept Medicare? ▼
Teresa Castro Ponce appears in CMS Medicare data with 11,347 Part D claims and 1,116 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Teresa Castro Ponce's credentials? ▼
Teresa Castro Ponce's NPI is 1245363399. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Compiled from official public sources by the PlainDoctor editorial team.