Doctor profile · Federal record

Dr. Cathy Larrain, M.D.

Geriatric Medicine (Internal Medicine) Physician · Internal Medicine Physician · Internal Medicine Physician · Baltimore, MD

  • NPI 1790074896
  • 15 yrs on file
  • Licensed in 3 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1040 Park Ave Ste 200
Baltimore, MD 212015634
(443) 738-0300

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
March 10, 2021
Specialty taxonomy
207RG0300X — NUCC code
State licenses (3)
Maryland #D0079850 · District of Columbia #MD045465 · Virginia #0101259276

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790074896. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,115
Distinct HCPCS
10
Medicare allowed
$131,831
HCPCS Description Services Patients Avg allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 213 31 $139
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 180 96 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 140 103 $144
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 104 37 $204
99215 Established patient office or other outpatient visit, 40-54 minutes 71 62 $201
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 57 30 $53
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 46 13 $60
99213 Established patient office or other outpatient visit, 20-29 minutes 43 36 $102
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 42 42 $145
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 38 12 $55

In context: peer comparison

Among 23 peers in Baltimore Geriatric Medicine (Internal Medicine) Physician, average services per provider: 97. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
989
Patients
183
Total drug cost
$18,149
Drug Type Claims Patients Total cost
Losartan Potassium Generic 118 25 $1,398
Atorvastatin Calcium Generic 104 31 $1,754
Amlodipine Besylate Generic 98 26 $1,145
Levothyroxine Sodium Generic 91 25 $1,319
Gabapentin Generic 75 0 $2,128
Hydralazine Hcl Generic 66 0 $998
Memantine Hcl Generic 61 12 $2,435
Donepezil Hcl Generic 54 13 $1,161
Metoprolol Succinate Generic 53 14 $1,048
Furosemide Generic 51 0 $366

Frequently asked questions

Auto-generated from federal data
What is Dr. Cathy Larrain's medical specialty?
Dr. Cathy Larrain practices Geriatric Medicine (Internal Medicine) Physician in Baltimore, MD.
Where does Dr. Cathy Larrain practice?
Dr. Cathy Larrain practices at 1040 Park Ave Ste 200, Baltimore, MD 212015634. Office phone: 4437380300.
What is Dr. Cathy Larrain's NPI?
Dr. Cathy Larrain's National Provider Identifier (NPI) is 1790074896, issued by NPPES.
What procedures does Dr. Cathy Larrain commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.