Doctor profile · Federal record

Dr. Ruth Kantor, MD

Internal Medicine Physician (CMS: Internal Medicine) · Baltimore, MD

  • NPI 1619937141
  • Accepts Medicare
  • 45 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6565 N Charles St, Suite 210 Physicians Pavilion East
Baltimore, MD 212046800
(410) 337-7354
fax (410) 337-0241

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
December 5, 2007
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D0028594

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619937141. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,447
Distinct HCPCS
10
Medicare allowed
$125,158
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 486 148 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 390 140 $187
99214 Established patient office or other outpatient visit, 30-39 minutes 167 70 $135
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 112 112 $133
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 74 48 $33
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 61 61 $20
G0008 Administration of influenza virus vaccine 60 60 $30
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 49 41 $15
69210 Removal of impacted ear wax 20 14 $51
99213 Established patient office or other outpatient visit, 20-29 minutes 14 11 $93

In context: peer comparison

Among 363 peers in Baltimore Internal Medicine Physician, average services per provider: 105. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,210
Patients
317
Total drug cost
$27,353
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 141 35 $1,879
Rosuvastatin Calcium Generic 135 40 $6,334
Levothyroxine Sodium Generic 121 32 $2,042
Losartan Potassium Generic 100 28 $1,347
Metoprolol Succinate Generic 83 25 $2,672
Zolpidem Tartrate Generic 78 14 $878
Gabapentin Generic 75 18 $1,827
Ezetimibe Generic 68 22 $3,870
Escitalopram Oxalate Generic 67 20 $1,312
Atorvastatin Calcium Generic 62 21 $1,118

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruth Kantor's medical specialty?
Dr. Ruth Kantor practices Internal Medicine Physician in Baltimore, MD.
Where does Dr. Ruth Kantor practice?
Dr. Ruth Kantor practices at 6565 N Charles St, Baltimore, MD 212046800. Office phone: 4103377354.
What is Dr. Ruth Kantor's NPI?
Dr. Ruth Kantor's National Provider Identifier (NPI) is 1619937141, issued by NPPES.
Does Dr. Ruth Kantor accept Medicare assignment?
Yes. Dr. Ruth Kantor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruth Kantor commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.