Doctor profile · Federal record

Dr. Nathan Drum, OD

Optometrist (CMS: Optometry) · Optometrist · Colebrook, NH

  • NPI 1386620789
  • Accepts Medicare
  • MIPS 87.5 / 100 · 2023
  • 37 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
109 Main St Ste 2
Colebrook, NH 035762110
(603) 237-4500
fax (603) 237-9900

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
January 23, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (2)
New Hampshire #552 · Vermont #0300000272
Medicaid
NH #30010684

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386620789. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
966
Distinct HCPCS
10
Medicare allowed
$77,676
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 272 255 $123
92134 Imaging of retina 141 121 $37
92083 Exam of visual field with extended testing 124 110 $61
99212 Established patient office or other outpatient visit, 10-19 minutes 97 71 $49
92133 Imaging of optic nerve 92 82 $34
99213 Established patient office or other outpatient visit, 20-29 minutes 85 60 $87
99204 New patient office or other outpatient visit, 45-59 minutes 44 44 $158
92014 Established patient complete exam of visual system 43 43 $108
92250 Photography of the retina 41 36 $31
92004 New patient complete exam of visual system 27 27 $129

In context: peer comparison

Among 1 peers in this city , average services per provider: 96. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
455
Patients
132
Total drug cost
$23,671
Drug Type Claims Patients Total cost
Latanoprost Generic 241 76 $6,043
Timolol Maleate Generic 51 20 $945
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 41 12 $1,443
Brimonidine Tartrate Generic 20 0 $264
Dorzolamide Hcl Generic 19 0 $1,125
Moxifloxacin (Moxifloxacin Hcl) Brand 16 0 $544
Azelastine Hcl Generic 14 0 $406
Ciprofloxacin Hcl Generic 14 11 $138
Erythromycin (Erythromycin Base) Brand 14 13 $165
Travoprost Generic 13 0 $4,389

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Drum's medical specialty?
Dr. Nathan Drum practices Optometrist in Colebrook, NH.
Where does Dr. Nathan Drum practice?
Dr. Nathan Drum practices at 109 Main St Ste 2, Colebrook, NH 035762110. Office phone: 6032374500.
What is Dr. Nathan Drum's NPI?
Dr. Nathan Drum's National Provider Identifier (NPI) is 1386620789, issued by NPPES.
Does Dr. Nathan Drum accept Medicare assignment?
Yes. Dr. Nathan Drum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Drum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Imaging of retina (HCPCS 92134); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.