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

Ann S Mercer MD PA

Organization Internal Medicine Physician · NPI 1164613261

Ann S Mercer MD PA is an Internal Medicine Physician in Las Cruces, New Mexico. Licensed in New Mexico. Registered with an NPI since 2007.

Licensed in
NM
In the registry since
2007
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2801 Missouri Ave Ste 12
Las Cruces, NM 88011-5061
Phone: (505) 522-6900
Fax: (505) 522-8891
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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 84-79 (NM)

Record details

NPI number1164613261
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ann Mercer — President · (505) 522-6900
NPI enumeratedAugust 5, 2007
Last updated in NPPESDecember 6, 2007
Mailing address2801 Missouri Ave Ste 12, Las Cruces, NM 88011-5061

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