Doctor profile · Federal record

Dr. John Growdon, MD

Neurology Physician (CMS: Neurology) · Boston, MA

  • NPI 1407846686
  • Accepts Medicare
  • 61 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 Parkman St, Neurology Associates Wac 835
Boston, MA 021143117
(617) 726-1728
fax (617) 726-4101
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1965 — 61 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Massachusetts #0023371
Medicaid
MA #2016907

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407846686. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
152
Distinct HCPCS
3
Medicare allowed
$27,458
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 66 54 $141
99215 Established patient office or other outpatient visit, 40-54 minutes 56 43 $196
99205 New patient office or other outpatient visit, 60-74 minutes 30 30 $240

In context: peer comparison

Among 134 peers in Boston Neurology Physician, average services per provider: 234. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
470
Patients
91
Total drug cost
$25,556
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 133 46 $2,288
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 121 45 $5,195
Rasagiline Mesylate Generic 25 0 $10,088
Primidone Generic 23 0 $536
Memantine Hcl Generic 21 0 $1,774
Carbidopa-Levodopa ER (Carbidopa/Levodopa) Brand 20 0 $1,750
Mirtazapine Generic 19 0 $213
Trazodone Hcl Generic 17 0 $173
Clonazepam Generic 15 0 $108
Quetiapine Fumarate Generic 15 0 $259

Frequently asked questions

Auto-generated from federal data
What is Dr. John Growdon's medical specialty?
Dr. John Growdon practices Neurology Physician in Boston, MA.
Where does Dr. John Growdon practice?
Dr. John Growdon practices at 15 Parkman St, Boston, MA 021143117. Office phone: 6177261728.
What is Dr. John Growdon's NPI?
Dr. John Growdon's National Provider Identifier (NPI) is 1407846686, issued by NPPES.
Does Dr. John Growdon accept Medicare assignment?
Yes. Dr. John Growdon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Growdon 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 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.