Doctor profile · Federal record

Dr. Herbert Gregg, MD

Neurology Physician (CMS: Neurology) · Lenox, MA

  • NPI 1558525766
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
91 West Street
Lenox, MA 01240
(800) 348-4565
fax (413) 496-6842
Mailing address
3 Maryland Farms Ste 200
Brentwood, TN 370275005

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
December 20, 2018
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Massachusetts #237083

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558525766. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
678
Distinct HCPCS
10
Medicare allowed
$62,823
HCPCS Description Services Patients Avg allowed
95816 Measurement of brain wave activity (eeg), awake and drowsy 150 136 $58
99204 New patient office or other outpatient visit, 45-59 minutes 79 79 $131
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 77 60 $46
99214 Established patient office or other outpatient visit, 30-39 minutes 75 68 $98
99205 New patient office or other outpatient visit, 60-74 minutes 60 60 $178
95819 Measurement of brain wave activity (eeg), awake and asleep 59 57 $58
99213 Established patient office or other outpatient visit, 20-29 minutes 51 47 $67
99215 Established patient office or other outpatient visit, 40-54 minutes 48 44 $142
95909 Nerve conduction, 5-6 studies 34 34 $80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $133

In context: peer comparison

Among 1 peers in Lenox Neurology Physician, average services per provider: 61. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
634
Patients
109
Total drug cost
$236,549
Drug Type Claims Patients Total cost
Levetiracetam Generic 126 25 $6,992
Lamotrigine Generic 100 19 $3,006
Gabapentin Generic 89 23 $1,743
Topiramate Generic 49 13 $1,008
Pregabalin Generic 42 14 $2,008
Phenobarbital Generic 38 0 $2,235
Lacosamide Generic 33 0 $20,028
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 30 15 $1,283
Propranolol Hcl ER (Propranolol Hcl) Brand 25 0 $607
Privigen (Immun Glob G(Igg)/Pro/Iga 0-50) Brand 24 0 $182,679

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Herbert Gregg's medical specialty?
Dr. Herbert Gregg practices Neurology Physician in Lenox, MA.
Where does Dr. Herbert Gregg practice?
Dr. Herbert Gregg practices at 91 West Street, Lenox, MA 01240. Office phone: 8003484565.
What is Dr. Herbert Gregg's NPI?
Dr. Herbert Gregg's National Provider Identifier (NPI) is 1558525766, issued by NPPES.
Does Dr. Herbert Gregg accept Medicare assignment?
Yes. Dr. Herbert Gregg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Herbert Gregg commonly perform?
Top Medicare-reported procedures in 2023: Measurement of brain wave activity (eeg), awake and drowsy (HCPCS 95816); New patient office or other outpatient visit (HCPCS 99204); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886). Source: CMS Medicare Physician & Other Practitioners file.