Doctor profile · Federal record

Dr. Mark Ferlan, DO

Internal Medicine Physician (CMS: Internal Medicine) · Manchester, NH

  • NPI 1124230370
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
775 S Main St
Manchester, NH 031025143
(603) 625-6198

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
August 16, 2021
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Hampshire #13956

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124230370. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
583
Distinct HCPCS
3
Medicare allowed
$57,352
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 211 142 $97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 192 192 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 180 139 $66

In context: peer comparison

Among 29 peers in Manchester Internal Medicine Physician, average services per provider: 114. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$106
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $106.23

By nature of payment

Food and Beverage
$106

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,121
Patients
875
Total drug cost
$45,956
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 423 126 $5,503
Amlodipine Besylate Generic 354 91 $2,582
Levothyroxine Sodium Generic 311 81 $6,463
Lisinopril Generic 282 82 $2,899
Omeprazole Generic 210 57 $3,481
Metoprolol Succinate Generic 209 62 $3,938
Pantoprazole Sodium Generic 205 63 $4,217
Metformin Hcl Generic 197 60 $1,995
Rosuvastatin Calcium Generic 179 53 $3,879
Losartan Potassium Generic 178 49 $2,052

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Ferlan's medical specialty?
Dr. Mark Ferlan practices Internal Medicine Physician in Manchester, NH.
Where does Dr. Mark Ferlan practice?
Dr. Mark Ferlan practices at 775 S Main St, Manchester, NH 031025143. Office phone: 6036256198.
What is Dr. Mark Ferlan's NPI?
Dr. Mark Ferlan's National Provider Identifier (NPI) is 1124230370, issued by NPPES.
Does Dr. Mark Ferlan accept Medicare assignment?
Yes. Dr. Mark Ferlan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Ferlan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.