Doctor profile · Federal record

Dr. L Robb-Nicholson, MD

Internal Medicine Physician · Boston, MA

  • NPI 1891779518
  • 21 yrs on file
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 Parkman St, Wac 635 Internal Medicine Associates Team 3
Boston, MA 021143117
(617) 724-4600
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #47244
Medicaid
MA #6195377

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891779518. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
239
Distinct HCPCS
4
Medicare allowed
$22,822
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 129 94 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 79 72 $71
99215 Established patient office or other outpatient visit, 40-54 minutes 16 14 $153
99443 Telephone medical discussion with physician, 21-30 minutes 15 13 $104

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,105
Patients
312
Total drug cost
$15,786
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 157 44 $3,111
Levothyroxine Sodium Generic 133 39 $2,492
Lisinopril Generic 115 32 $1,443
Simvastatin Generic 106 35 $1,077
Losartan Potassium Generic 91 22 $1,231
Omeprazole Generic 83 28 $1,484
Atenolol Generic 60 19 $850
Amlodipine Besylate Generic 58 18 $511
Citalopram Hbr (Citalopram Hydrobromide) Brand 56 17 $810
Hydrochlorothiazide Generic 50 16 $272

Frequently asked questions

Auto-generated from federal data
What is Dr. L Robb-Nicholson's medical specialty?
Dr. L Robb-Nicholson practices Internal Medicine Physician in Boston, MA.
Where does Dr. L Robb-Nicholson practice?
Dr. L Robb-Nicholson practices at 15 Parkman St, Boston, MA 021143117. Office phone: 6177244600.
What is Dr. L Robb-Nicholson's NPI?
Dr. L Robb-Nicholson's National Provider Identifier (NPI) is 1891779518, issued by NPPES.
What procedures does Dr. L Robb-Nicholson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.