Doctor profile · Federal record

Dr. Mark Blackwood, MD

Family Medicine Physician · Durham, NH

  • NPI 1376599217
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
36 Madbury RD
Durham, NH 038242021
(603) 868-5080
fax (603) 868-7440
Mailing address
789 Central Ave
Dover, NH 038202526

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 17, 2014
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
New Hampshire #8732
Medicaid (2)
NH #3075907 · ME #1376599217

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376599217. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
227
Distinct HCPCS
6
Medicare allowed
$23,368
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 74 62 $90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 55 55 $127
99214 Established patient office or other outpatient visit, 30-39 minutes 39 35 $121
83036 Hemoglobin a1c level 27 19 $10
G0009 Administration of pneumococcal vaccine 17 17 $31
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 15 15 $280

In context: peer comparison

Among 2 peers in this city , average services per provider: 31. This provider delivers 7.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,080
Patients
425
Total drug cost
$46,194
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 210 85 $2,837
Amlodipine Besylate Generic 123 52 $1,151
Lisinopril Generic 119 53 $1,021
Levothyroxine Sodium Generic 96 35 $1,547
Rosuvastatin Calcium Generic 90 36 $3,262
Losartan Potassium Generic 89 40 $1,205
Hydrochlorothiazide Generic 64 30 $287
Sertraline Hcl Generic 47 20 $760
Simvastatin Generic 47 18 $521
Omeprazole Generic 40 19 $914

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Blackwood's medical specialty?
Dr. Mark Blackwood practices Family Medicine Physician in Durham, NH.
Where does Dr. Mark Blackwood practice?
Dr. Mark Blackwood practices at 36 Madbury RD, Durham, NH 038242021. Office phone: 6038685080.
What is Dr. Mark Blackwood's NPI?
Dr. Mark Blackwood's National Provider Identifier (NPI) is 1376599217, issued by NPPES.
What procedures does Dr. Mark Blackwood commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.