Quick answers
- Does Douglas P. Davidson Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas P. Davidson Jr. 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 Douglas P. Davidson Jr. see?
- In 2024, CMS data shows 124 Original Medicare patients and 256 services for Douglas P. Davidson Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Douglas P. Davidson Jr.'s NPI number?
- 1174294938. 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 Douglas P. Davidson Jr., 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 | 124 |
|---|---|
| Services billed to Medicare | 256 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)41 services
- Emergency department visit with high level of medical decision making (99285)31 services
- Emergency department visit with moderate level of medical decision making (99284)23 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)15 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 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 pressure69%
- High cholesterol63%
- Arthritis40%
- Diabetes29%
- Chronic kidney disease23%
- Depression20%
Hospitals where Douglas P. Davidson Jr. works
Medicare's Facility Affiliation Data lists Douglas P. Davidson Jr. 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.
- Adventist Health Lodi MemorialLodi, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050336
- Woodland Memorial HospitalWoodland, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050127
Practice locations
Addresses where Douglas P. Davidson Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1235 W Vine St, Suite 20Lodi, CA 95240 (209) 334‑3411
- 2081 Bronze Star DrWoodland, CA 95776 (530) 668‑2600
- 632 W Gibson RdWoodland, CA 95695
Group practices
Medicare enrollment lists Douglas P. Davidson Jr. as a member of these groups (CMS data updated October 2, 2026).
- Dignity Health Medical Foundation1,184 clinicians in the group
- Clinic Services of California Medical Group Inc61 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Lodi
Clinicians with the same Medicare primary specialty in Lodi, CA — not a recommendation.
Other clinicians in Dignity Health Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174294938 |
| 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