Mariela Herrera Rojas, M.D.
NPI 1922318096 · Psychiatry Physician · Billings, MT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariela Herrera Rojas, M.D. is a Psychiatry Physician provider in Billings, MT (NPI 1922318096).
Provider details
- NPI number
- 1922318096
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MED-PHYS-LIC-33952 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 9500 Euclid AveP57Cleveland, OH 44195-0001Phone: (216) 445-2997Fax: (216) 445-7032
- 9500 Euclid AveP57Cleveland, OH 44195-0001Phone: (216) 445-2997Fax: (216) 445-7032
Registry dates
- Enumerated
- 2010-10-07
- Last updated
- 2022-02-23
- Certified
- 2022-02-23
Frequently asked questions
- What is Mariela Herrera Rojas's NPI number?
- Mariela Herrera Rojas's National Provider Identifier (NPI) is 1922318096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariela Herrera Rojas's specialty?
- Mariela Herrera Rojas is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mariela Herrera Rojas located?
- Mariela Herrera Rojas's practice location on file with NPPES is 1020 N 27th St, Billings, MT 59101.
- What is Mariela Herrera Rojas's phone number?
- The practice phone number listed in the NPPES registry for Mariela Herrera Rojas is (406) 238-2500.
- Does Mariela Herrera Rojas accept Medicare?
- Mariela Herrera Rojas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariela Herrera Rojas's NPI active?
- Yes — Mariela Herrera Rojas's NPI (1922318096) is active in the NPPES registry as of the last update on 2022-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.