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

Dr. Zeferino Arroyo, DO

Individual provider Anesthesiology Physician · NPI 1285601096

Dr. Zeferino Arroyo, DO is an Anesthesiology in Billings, Montana. Qualified in 1999, 27 years ago. Practices with Anesthesia Partners of Montana PC, a 35-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
27
Licensed in
MT
In the registry since
2006
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

1233 N 30th St
Billings, MT 59101-0127
Phone: (406) 254-0707
Fax: (406) 254-0709
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 10380 (MT)

Record details

NPI number1285601096
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 1, 2006
Last updated in NPPESJuly 8, 2010
Mailing addressPo Box 1261, Billings, MT 59103-1261

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Anesthesia Partners Of Montana Pc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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