Doctor profile · Federal record

Dr. Stephen Kaplan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Plymouth, MA

  • NPI 1629236849
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
362 Court St
Plymouth, MA 023604397
(508) 746-7543
fax (508) 746-1334
Mailing address
1284 Beacon St, Apt #314
Brookline, MA 024463788

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
August 31, 2010
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #232071

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629236849. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
9,063
Distinct HCPCS
10
Medicare allowed
$238,824
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 1,292 664 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 815 459 $85
80061 Blood test, lipids (cholesterol and triglycerides) 598 549 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 520 520 $49
83036 Hemoglobin a1c level 517 330 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 501 384 $71
80048 Blood test, basic group of blood chemicals (calcium, total) 356 261 $8
84443 Blood test, thyroid stimulating hormone (tsh) 295 247 $16
82607 Cyanocobalamin (vitamin b-12) level 270 243 $15
82570 Creatinine level to test for kidney function or muscle injury 232 176 $5

In context: peer comparison

Among 14 peers in Plymouth Internal Medicine Physician, average services per provider: 132. This provider delivers 69× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,679
Patients
1,763
Total drug cost
$365,156
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,199 338 $27,691
Lisinopril Generic 672 172 $7,498
Amlodipine Besylate Generic 634 182 $6,309
Levothyroxine Sodium Generic 520 136 $8,509
Omeprazole Generic 458 127 $10,112
Losartan Potassium Generic 426 126 $8,095
Hydrochlorothiazide Generic 375 105 $2,122
Simvastatin Generic 357 93 $5,100
Gabapentin Generic 353 68 $5,399
Metoprolol Succinate Generic 351 107 $9,984

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Kaplan's medical specialty?
Dr. Stephen Kaplan practices Internal Medicine Physician in Plymouth, MA.
Where does Dr. Stephen Kaplan practice?
Dr. Stephen Kaplan practices at 362 Court St, Plymouth, MA 023604397. Office phone: 5087467543.
What is Dr. Stephen Kaplan's NPI?
Dr. Stephen Kaplan's National Provider Identifier (NPI) is 1629236849, issued by NPPES.
Does Dr. Stephen Kaplan accept Medicare assignment?
Yes. Dr. Stephen Kaplan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Kaplan 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 99214); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061). Source: CMS Medicare Physician & Other Practitioners file.