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

Allen Rajan Chacko, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1407599152

Allen Rajan Chacko, DO is a Family Practice in Puyallup, Washington. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2022, 4 years ago. Practices with South Sound Inpatient Physicians PLLC, a 427-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
4
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
WA
In the registry since
2022
Specialties on file
2
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

1322 3rd St SE Ste 240
Puyallup, WA 98372-3771
Phone: (253) 697-1420
Fax: (253) 697-1439
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OP61525834 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1407599152
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 19, 2022
Last updated in NPPESJuly 10, 2025
Certification dateJuly 10, 2025
Mailing address1322 3rd St Se Ste 240, Puyallup, WA 98372-3771

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 2022 (4 years in practice)
Group practice South Sound Inpatient Physicians Pllc — 427 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Puyallup