Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mark Ferlan, DO

Individual provider Internal Medicine Physician · NPI 1124230370

Dr. Mark Ferlan, DO is an Internal Medicine in Manchester, New Hampshire. Graduated from Philadelphia College of Osteopathic Medicine in 2004, 22 years ago. Practices with St Joseph Hospital of Nashua Nh, a 268-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
22
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
NH
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

775 S Main St
Manchester, NH 03102-5143
Phone: (603) 625-6198
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 13956 (NH)

Record details

NPI number1124230370
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 3, 2007
Last updated in NPPESAugust 16, 2021
Certification dateAugust 16, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2004 (22 years in practice)
Group practice St. Joseph Hospital Of Nashua Nh — 268 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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