Doctor profile · Federal record

Dr. Charlotte Robertshaw, NP

Primary Care Nurse Practitioner (CMS: Nurse Practitioner) · Primary Care Nurse Practitioner · Boston, MA

  • NPI 1780378406
  • Accepts Medicare
  • 4 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
53 State St
Boston, MA 021092820
(617) 903-5000
fax (415) 252-7176
Additional location
350 Bon Air, #200
Larkspur, CA 94904
(415) 578-3095
Additional location
350 Bon Air Ctr Ste 200
Greenbrae, CA 949043000
(888) 663-6331
Mailing address
1 Embarcadero Ctr Ste 1900
San Francisco, CA 941113723

Credentials & registration

NPPES · NUCC
NPI registered
June 2023 — 3 yrs on file
Profile last updated
March 14, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LP2300X — NUCC code
State licenses (2)
Massachusetts #RN10011774 · California #NP95023334

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780378406. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
3
Medicare allowed
$6,026
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 33 26 $128
36415 Insertion of needle into vein for collection of blood sample 18 17 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 18 17 $91

In context: peer comparison

Among 4 peers in Boston Primary Care Nurse Practitioner, average services per provider: 71. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Charlotte Robertshaw's medical specialty?
Dr. Charlotte Robertshaw practices Primary Care Nurse Practitioner in Boston, MA.
Where does Dr. Charlotte Robertshaw practice?
Dr. Charlotte Robertshaw practices at 53 State St, Boston, MA 021092820. Office phone: 6179035000.
What is Dr. Charlotte Robertshaw's NPI?
Dr. Charlotte Robertshaw's National Provider Identifier (NPI) is 1780378406, issued by NPPES.
Does Dr. Charlotte Robertshaw accept Medicare assignment?
Yes. Dr. Charlotte Robertshaw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charlotte Robertshaw commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.