Ross Caulfield, MD
NPI 1356764518 · Family Medicine Physician · Tracy, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ross Caulfield, MD is a Family Medicine Physician provider in Tracy, CA (NPI 1356764518).
Provider details
- NPI number
- 1356764518
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A152106 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
573 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 265 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 87 | $92 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 84 | $131 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 73 | $16 |
| Administration of Influenza Virus VaccineG0008 | 27 | $33 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 229 | 78 |
| Amlodipine Besylate | 143 | 45 |
| Lisinopril | 108 | 34 |
| Omeprazole | 86 | 24 |
| Gabapentin | 80 | 23 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 79 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-01-23
- Last updated
- 2020-09-24
- Certified
- 2020-09-24
Frequently asked questions
- What is Ross Caulfield's NPI number?
- Ross Caulfield's National Provider Identifier (NPI) is 1356764518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ross Caulfield's specialty?
- Ross Caulfield is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ross Caulfield located?
- Ross Caulfield's practice location on file with NPPES is 445 W Eaton Ave, Tracy, CA 95376-3420.
- What is Ross Caulfield's phone number?
- The practice phone number listed in the NPPES registry for Ross Caulfield is (209) 832-0535.
- Does Ross Caulfield accept Medicare?
- Ross Caulfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ross Caulfield's NPI active?
- Yes — Ross Caulfield's NPI (1356764518) is active in the NPPES registry as of the last update on 2020-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.