Quick answers
- Does Sarah K. Lockwood accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah K. Lockwood 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 Sarah K. Lockwood see?
- In 2024, CMS data shows 227 Original Medicare patients and 3,216 services for Sarah K. Lockwood. This counts Original Medicare only and measures volume, not quality.
- What is Sarah K. Lockwood's NPI number?
- 1972193217. 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 Sarah K. Lockwood, 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 | 227 |
|---|---|
| Services billed to Medicare | 3,216 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 83 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)2,285 services
- Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)196 services
- Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)150 services
- Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated trip charge (P9604)82 services
- Insertion of needle into vein for collection of blood sample (36415)77 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 blood pressure75%
- High cholesterol75%
- Alzheimer's disease or dementia69%
- Depression54%
- Arthritis52%
- Anxiety45%
Hospitals where Sarah K. Lockwood works
Medicare's Facility Affiliation Data lists Sarah K. Lockwood at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050069
Practice locations
Addresses where Sarah K. Lockwood is enrolled with Medicare (CMS data updated October 2, 2026).
- 13522 Newport Ave, Suite 102Tustin, CA 92780 (714) 573‑8200
- 1445 Superior AveNewport Beach, CA 92663 (949) 610‑5139
- 219 /2 Marguerite AveCorona Del Mar, CA 92625 (949) 610‑5139
Group practices
Medicare enrollment lists Sarah K. Lockwood as a member of these groups (CMS data updated October 2, 2026).
- Chest and Critical Care Consultants a Medical Group71 clinicians in the group
- Deva Health, Corp.5 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Tustin
Clinicians with the same Medicare primary specialty in Tustin, CA — not a recommendation.
Other clinicians in Chest and Critical Care Consultants a Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972193217 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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