Edwin Tatoy Castaneda, M.D.
Internal Medicine Physician · Berlin, MD
Edwin Tatoy Castaneda, M.D. is an internal medicine physician with a practice address in Berlin, Maryland, and NPI 1063412385, issued on Jul 28, 2005. Check the license (Maryland DO046257, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Edwin Tatoy Castaneda
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO046257 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10324 Old Ocean City Blvd, Berlin, MD 21811
- Phone
- (410) 629-0041
- Enumerated
- Jul 28, 2005
- Record last updated
- Sep 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 629-0544
- Medicaid ID
- 317601100 MD
- Medicare enrollment
- Enrolled (PECOS I20071129000585); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 10324 Old Ocean City Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Mason, DNP, FNP-BCNurse Practitioner1407685829
Verify Edwin Tatoy Castaneda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license DO046257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,200 Medicare Part D claims for 809 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 123 claims were for opioids.
Most prescribed
- Amlodipine Besylate685 claims
- Levothyroxine Sodium576 claims
- Atorvastatin Calcium548 claims
- Rosuvastatin Calcium391 claims
- Losartan Potassium389 claims
- Sertraline Hcl347 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $589.45
23 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through 2 group practices
- Tidalhealth Atlantic IncBerlin, MD
- Tidalhealth Primary Care LLCSalisbury, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Edwin Tatoy Castaneda among 3,904 internal medicine physician records in Maryland
Edwin Tatoy Castaneda, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2003 among the 2,445 with a school on file
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Berlin
They are 6 of the 659 NPPES records with a practice address in Berlin, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Berlin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Razaak Eniola, M.D.Berlin, MD 218111518902014
- Lilah Gonzalez, M.D.Berlin, MD 218111982617544
- Mosha Peters-Harris, M.D.Berlin, MD 218111821298761
- Katerina Todorov, MDBerlin, MD 218111073750865
- Teizu Wolokolie, M.D.Berlin, MD 218111841240108
- Michael Atkins, MDCrisfield, MD 218171881651172
- Howard Haft, M.D.Crisfield, MD 218171639132152
- Vijaykumar Karumbunathan, MDCrisfield, MD 218171174589386
Common questions
What is Edwin Tatoy Castaneda, M.D.'s NPI number?
Edwin Tatoy Castaneda, M.D.'s National Provider Identifier (NPI) is 1063412385, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Edwin Tatoy Castaneda, M.D. located?
The NPPES record lists a practice address at 10324 Old Ocean City Blvd, Berlin, MD, 21811. Phone: (410) 629-0041. Providers update this record themselves, so call before visiting.
How can I verify Edwin Tatoy Castaneda, M.D.'s license?
NPPES lists Maryland license number DO046257, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Edwin Tatoy Castaneda, M.D. prescribe under Medicare Part D?
In 2024, Edwin Tatoy Castaneda, M.D. had 10,200 Medicare Part D claims for 809 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Edwin Tatoy Castaneda, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.