Dr. Grace D. Medestomas, MD
- Part D claims, 2024
- 13,189
- Hospital affiliations
- 1
- Industry payments
- $563
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 355 Ave Font Martelo, Humacao, PR 00791
- Practice phone
- Call (787) 852-0768
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Medestomas' professional email, personal email and mobile number
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Dr. Grace D. Medestomas is a general practice physician in Humacao, Puerto Rico
Dr. Medestomas practices at Ryder Memorial Hospital in Humacao, Puerto Rico, part of Ryder Memorial Hospital.
Dr. Medestomas' NPI, 1609814227, was assigned on June 4, 2006. Dr. Medestomas holds Puerto Rico license 15229.
- NPI
- 1609814227NPI Registry (opens in a new tab)
- NPI enumeration date
- June 4, 2006
- NPI status
- Active
- Practice phone
- (787) 852-0768
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Grace D. Medestomas practices at Ryder Memorial Hospital in Humacao, Puerto Rico
Dr. Medestomas' primary practice is Ryder Memorial Hospital, at 355 Ave Font Martelo, Humacao, PR 00791 in Humacao County. The practice phone is (787) 852-0768.
- Ryder Memorial Hospital355 Ave Font Martelo, Humacao, PR 00791 · Humacao CountyPhone(787) 852-0768
Source: Dmand AI Affiliation Data
Dr. Grace D. Medestomas is affiliated with 1 site of care
Dr. Medestomas' primary practice is Ryder Memorial Hospital in Humacao, Puerto Rico, part of Ryder Memorial Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grace D. Medestomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Medestomas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ryder Memorial Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ryder Memorial Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Grace D. Medestomas is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Medestomas' primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Medestomas is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Medestomas
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Grace D. Medestomas' patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Medestomas' median patient age at 72, with 62% women.
Dr. Medestomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women62%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Grace D. Medestomas wrote 13,189 Medicare Part D claims in 2024
In 2024, Dr. Medestomas wrote 13,189 Medicare Part D claims for 434 patients. 80% of them were for generic drugs. CMS names the drug for 12,382 of them, across 176 drugs with 11 or more claims each, at $1,382,070 in total drug cost. In 2023, CMS named 12,710 claims across 171 drugs.
Dr. Medestomas' Part D claims by kind of drug, 2024
- Generic10,539 claims80%
- Brand-name2,525 claims19%
- Other125 claims1%
Dr. Medestomas' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Medestomas' Part D claims, 2024
- Opioids1%151 of 13,189 claims
- Antibiotics1%197 of 13,189 claims
- Antipsychotics, patients 65 and over0%31 of 13,189 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 12,7102024: 12,3823%
Drugs named by CMS: 176 in 2024, 171 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Grace D. Medestomas received $563 in industry payments from 2019 to 2025
CMS Open Payments shows 24 general payments to Dr. Medestomas from 8 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $197.
General payments to Dr. Medestomas by program year, 2019 to 2025
Companies that paid Dr. Medestomas the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Grace D. Medestomas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Grace D. Medestomas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Grace D. Medestomas' NPI number?
Dr. Grace D. Medestomas' NPI number is 1609814227. It was assigned on June 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Grace D. Medestomas?
Dr. Grace D. Medestomas is a general practice physician in Humacao, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Grace D. Medestomas practice?
Dr. Medestomas practices at 355 Ave Font Martelo, Humacao, PR 00791. Dr. Medestomas' primary practice is Ryder Memorial Hospital in Humacao, Puerto Rico, part of Ryder Memorial Hospital.
What is Dr. Grace D. Medestomas' office phone number?
The practice phone on file for Dr. Medestomas is (787) 852-0768.
What is Dr. Grace D. Medestomas' medical license number?
Dr. Medestomas holds Puerto Rico license 15229.
Which hospitals is Dr. Grace D. Medestomas affiliated with?
Dr. Medestomas practices at Ryder Memorial Hospital in Humacao, Puerto Rico.
What drugs does Dr. Grace D. Medestomas prescribe most?
In 2024 Medicare Part D data, Dr. Medestomas' most prescribed drugs by claims were Famotidine, Omeprazole and Synthroid.
Has Dr. Grace D. Medestomas received payments from drug or device companies?
CMS Open Payments shows $563 in general payments to Dr. Medestomas from 8 companies from 2019 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Grace D. Medestomas been practicing?
Dr. Medestomas' NPI was assigned in 2006.
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