Steven Nelson, MD
NPI 1558327908 · Family Medicine Physician · Stockton, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Nelson, MD is a Family Medicine Physician provider in Stockton, CA (NPI 1558327908).
Provider details
- NPI number
- 1558327908
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G29851 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,124 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 830 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 194 | $131 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 43 | $15 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 37 | $15 |
| Administration of Influenza Virus VaccineG0008 | 20 | $33 |
Typical Medicare-allowed amounts for these services range $15–$131 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 140 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 493 | 130 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 433 | 87 |
| Alprazolam | 263 | 61 |
| Amlodipine Besylate | 240 | 64 |
| Metoprolol Succinate | 221 | 57 |
| Simvastatin | 199 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2010-07-23
Frequently asked questions
- What is Steven Nelson's NPI number?
- Steven Nelson's National Provider Identifier (NPI) is 1558327908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Nelson's specialty?
- Steven Nelson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Nelson located?
- Steven Nelson's practice location on file with NPPES is 2505 W Hammer Ln, Stockton, CA 95209-2839.
- What is Steven Nelson's phone number?
- The practice phone number listed in the NPPES registry for Steven Nelson is (209) 957-7050.
- Does Steven Nelson accept Medicare?
- Steven Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Nelson's NPI active?
- Yes — Steven Nelson's NPI (1558327908) is active in the NPPES registry as of the last update on 2010-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.