Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Katherine G Ruiz-Mellott, MD, MPH

Individual provider Psychiatry Physician · NPI 1962516864

Katherine G Ruiz-Mellott, MD, MPH is a Psychiatry in Haverhill, Massachusetts. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1998, 28 years ago. Practices with First Psychiatric Planners, Inc, an 11-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
28
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

76 Summer Street Whittier Pavilion
Haverhill, MA 01830
Phone: (978) 556-6229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 227275 (MA)

Record details

NPI number1962516864
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedAugust 18, 2006
Last updated in NPPESSeptember 21, 2009

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1998 (28 years in practice)
Group practice First Psychiatric Planners, Inc — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Haverhill