Cathy Kim Larrain, M.D.
Geriatric Medicine (Internal Medicine) Physician · Baltimore, MD
Cathy Kim Larrain, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1790074896, issued on Mar 30, 2011. Check the license (Maryland D0079850, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Cathy Kim Larrain
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- D0079850 MD
MD045465 DC
0101259276 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1040 Park Ave Ste 200, Baltimore, MD 21201
- Phone
- (443) 738-0300
- Enumerated
- Mar 30, 2011
- Record last updated
- Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 139 in Maryland → Look up another NPI →
Also registered at 1040 Park Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anika Alvanzo, MD, MSInternal Medicine Physician1184641870
- Charles Bergman, M.D.Emergency Medicine Physician1962468306
- Shanna Borell, LCSWSocial Worker1790561983
- Stephanie Davis, MD, PHDFamily Medicine Physician1427686260
- Abigail Dominijanni, PA-CPhysician Assistant1801243563
- Jacqueline Ejim, LCPCProfessional Counselor1861920282
Verify Cathy Kim Larrain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0079850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,517 Medicare Part D claims for 71 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 25 claims were for opioids.
Most prescribed
- Amlodipine Besylate79 claims
- Atorvastatin Calcium70 claims
- Memantine Hcl68 claims
- Donepezil Hcl67 claims
- Losartan Potassium65 claims
- Escitalopram Oxalate51 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.
Cathy Kim Larrain among 139 geriatric medicine (internal medicine) physician records in Maryland
Cathy Kim Larrain, M.D. is one of 139 geriatric medicine (internal medicine) physician records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 80% of them.
- NPI issued2011 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- Record last updated2021 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Maryland
There are 139 geriatric medicine (internal medicine) physician records in Maryland.
All 139 in Maryland → Every provider in Baltimore → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Barbara Akin, MDBaltimore, MD 212011063474815
- Brock Beamer, M.D.Baltimore, MD 212011710942693
- Jacob Blumenthal, M.D.Baltimore, MD 212011497715049
- Perry Colvin, M.D.Baltimore, MD 212011649376906
- Steven Gambert, M.D.Baltimore, MD 212011518917095
- Mark Heuser, M.D.Baltimore, MD 212011134375637
- Dima Hnoosh, M.D.Baltimore, MD 212011215390661
- Leslie Katzel, M.D.Baltimore, MD 212011730143314
Common questions
What is Cathy Kim Larrain, M.D.'s NPI number?
Cathy Kim Larrain, M.D.'s National Provider Identifier (NPI) is 1790074896, issued on Mar 30, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Kim Larrain, M.D. located?
The NPPES record lists a practice address at 1040 Park Ave Ste 200, Baltimore, MD, 21201. Phone: (443) 738-0300. Providers update this record themselves, so call before visiting.
How can I verify Cathy Kim Larrain, M.D.'s license?
NPPES lists Maryland license number D0079850, 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 Cathy Kim Larrain, M.D. prescribe under Medicare Part D?
In 2024, Cathy Kim Larrain, M.D. had 1,517 Medicare Part D claims for 71 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.