Doctor profile · Federal record

Dr. Mark Holbrook, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Boise, ID

  • NPI 1205884616
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4840 N Cloverdale RD
Boise, ID 837132423
(208) 706-8000
fax (208) 706-8001
Mailing address
190 E Bannock St
Boise, ID 837126241

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 23, 2014
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Idaho #M6850

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205884616. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
778
Distinct HCPCS
4
Medicare allowed
$50,913
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 679 355 $61
99214 Established patient office or other outpatient visit, 30-39 minutes 63 52 $91
99495 Transitional care management services for problem of at least moderate complexity 24 19 $130
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 12 11 $48

In context: peer comparison

Among 46 peers in this city , average services per provider: 87. This provider delivers 8.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,648
Patients
1,058
Total drug cost
$165,850
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 626 183 $8,276
Levothyroxine Sodium Generic 473 126 $9,232
Losartan Potassium Generic 387 106 $5,777
Amlodipine Besylate Generic 311 79 $2,487
Simvastatin Generic 261 71 $2,917
Lisinopril Generic 235 69 $2,281
Omeprazole Generic 225 69 $4,224
Gabapentin Generic 177 57 $3,176
Hydrochlorothiazide Generic 164 52 $1,009
Metoprolol Succinate Generic 162 50 $4,257

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Holbrook's medical specialty?
Dr. Mark Holbrook practices Internal Medicine Physician in Boise, ID.
Where does Dr. Mark Holbrook practice?
Dr. Mark Holbrook practices at 4840 N Cloverdale RD, Boise, ID 837132423. Office phone: 2087068000.
What is Dr. Mark Holbrook's NPI?
Dr. Mark Holbrook's National Provider Identifier (NPI) is 1205884616, issued by NPPES.
Does Dr. Mark Holbrook accept Medicare assignment?
Yes. Dr. Mark Holbrook accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Holbrook commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Transitional care management services for problem of at least moderate complexity (HCPCS 99495). Source: CMS Medicare Physician & Other Practitioners file.