Quick answers
- Does Sigrid M. Formantes accept Medicare assignment?
- Yes. Medicare's clinician data says Sigrid M. Formantes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sigrid M. Formantes see?
- In 2024, CMS data shows 34 Original Medicare patients and 135 services for Sigrid M. Formantes. This counts Original Medicare only and measures volume, not quality.
- What is Sigrid M. Formantes's NPI number?
- 1881840023. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sigrid M. Formantes, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 34 |
|---|---|
| Services billed to Medicare | 135 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)112 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol71%
- High blood pressure65%
- Depression65%
- Arthritis47%
- Anxiety44%
Practice locations
Addresses where Sigrid M. Formantes is enrolled with Medicare (CMS data updated October 2, 2026).
- 11306 Mountain View Ave, Suite ALoma Linda, CA 92354 (909) 799‑5400
- 1809 W Redlands BlvdRedlands, CA 92373 (909) 335‑3026
- 8710 Monroe Ct, Suite 150Rancho Cucamonga, CA 91730 (909) 941‑4870
Group practices
Medicare enrollment lists Sigrid M. Formantes as a member of this group (CMS data updated October 2, 2026).
- Inland Psychiatric Medical Group Inc123 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Loma Linda
Clinicians with the same Medicare primary specialty in Loma Linda, CA — not a recommendation.
Other clinicians in Inland Psychiatric Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881840023 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians