Doctor profile · Federal record

Dr. Joan Larrabee, M.D.

Internal Medicine Physician (CMS: Endocrinology) · Boston, MA

  • NPI 1679620538
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Joslin Pl
Boston, MA 022155306
(617) 732-2453
fax (617) 732-2469
Mailing address
128 Poplar St
Roslindale, MA 021313613

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
February 1, 2018
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #151109
Medicaid
MA #3161986

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679620538. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
632
Distinct HCPCS
4
Medicare allowed
$64,811
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 258 161 $103
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 229 116 $83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 128 125 $138
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 17 17 $88

In context: peer comparison

Among 547 peers in Boston Internal Medicine Physician, average services per provider: 81. This provider delivers 7.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,416
Patients
413
Total drug cost
$1,119,584
Drug Type Claims Patients Total cost
Jardiance (Empagliflozin) Brand 189 50 $267,629
Ozempic (Semaglutide) Brand 160 38 $262,963
Metformin Hcl Generic 148 40 $2,822
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 112 34 $98,032
Metformin Hcl ER (Metformin Hcl) Brand 108 39 $2,545
Atorvastatin Calcium Generic 102 30 $2,251
Novolog Flexpen (Insulin Aspart) Brand 82 27 $122,126
Januvia (Sitagliptin Phosphate) Brand 81 22 $106,045
Trulicity (Dulaglutide) Brand 72 20 $150,331
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 67 23 $8,746

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joan Larrabee's medical specialty?
Dr. Joan Larrabee practices Internal Medicine Physician in Boston, MA.
Where does Dr. Joan Larrabee practice?
Dr. Joan Larrabee practices at 1 Joslin Pl, Boston, MA 022155306. Office phone: 6177322453.
What is Dr. Joan Larrabee's NPI?
Dr. Joan Larrabee's National Provider Identifier (NPI) is 1679620538, issued by NPPES.
Does Dr. Joan Larrabee accept Medicare assignment?
Yes. Dr. Joan Larrabee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joan Larrabee commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.