Doctor profile · Federal record

Dr. Mark Posnick, DO

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Nashua, NH

  • NPI 1194218834
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
116 Spit Brook RD
Nashua, NH 030622711
(603) 888-5573
fax (603) 891-6910
Mailing address
Po Box 3677
Nashua, NH 030613677

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
January 14, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
New Hampshire #21698 · Pennsylvania #OT018549

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194218834. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
425
Distinct HCPCS
8
Medicare allowed
$43,282
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 164 80 $127
G0008 Administration of influenza virus vaccine 73 73 $31
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 63 63 $76
99213 Established patient office or other outpatient visit, 20-29 minutes 51 38 $91
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 31 31 $129
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $160
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 11 11 $280
G0009 Administration of pneumococcal vaccine 11 11 $31

In context: peer comparison

Among 15 peers in Nashua Family Medicine Physician, average services per provider: 73. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$433
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 2 $162.91
Genzyme Corporation 1 $102.10
Galderma Laboratories, L.P. 1 $85.74
Lilly USA, LLC 1 $81.89

By nature of payment

Food and Beverage
$433

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,167
Patients
408
Total drug cost
$102,336
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 185 67 $2,635
Gabapentin Generic 134 39 $2,317
Lisinopril Generic 131 48 $1,539
Hydrochlorothiazide Generic 80 26 $243
Amlodipine Besylate Generic 70 26 $704
Levothyroxine Sodium Generic 70 26 $1,341
Pantoprazole Sodium Generic 69 24 $1,113
Eliquis (Apixaban) Brand 66 20 $87,041
Metoprolol Succinate Generic 57 21 $1,095
Simvastatin Generic 57 16 $430

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Posnick's medical specialty?
Dr. Mark Posnick practices Family Medicine Physician in Nashua, NH.
Where does Dr. Mark Posnick practice?
Dr. Mark Posnick practices at 116 Spit Brook RD, Nashua, NH 030622711. Office phone: 6038885573.
What is Dr. Mark Posnick's NPI?
Dr. Mark Posnick's National Provider Identifier (NPI) is 1194218834, issued by NPPES.
Does Dr. Mark Posnick accept Medicare assignment?
Yes. Dr. Mark Posnick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Posnick commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694). Source: CMS Medicare Physician & Other Practitioners file.