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

Collins P Sein, MD

Individual provider Internal Medicine Physician · NPI 1699769554

Collins P Sein, MD is an Internal Medicine Physician in Waldorf, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3460 Old Washington Rd Ste 203A
Waldorf, MD 20602-3240
Phone: (301) 934-8811
Fax: (301) 934-9321
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0046979 (MD)

Record details

NPI number1699769554
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 7, 2005
Last updated in NPPESApril 5, 2018
Mailing addressPo Box 1558, Waldorf, MD 20604-1558

Other providers in Waldorf