Spencer Wenger, MD
NPI 1649271040 · Internal Medicine Physician · Hawthorne, CA
Spencer Wenger, MD is a Internal Medicine Physician provider in Hawthorne, CA (NPI 1649271040).
Provider details
- NPI number
- 1649271040
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A33619 (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
20 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
66 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 | 26 | $138 |
| X-Ray of Chest, 2 Views71046 | 24 | $24 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 16 | $9 |
Typical Medicare-allowed amounts for these services range $9–$138 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 264 | 137 |
| Metformin Hcl | 89 | 43 |
| Amlodipine Besylate | 77 | 46 |
| Rosuvastatin Calcium | 72 | 39 |
| Losartan Potassium | 63 | 29 |
| Lisinopril | 49 | 28 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-09
- Last updated
- 2021-11-18
- Certified
- 2021-11-18
Frequently asked questions
- What is Spencer Wenger's NPI number?
- Spencer Wenger's National Provider Identifier (NPI) is 1649271040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Wenger's specialty?
- Spencer Wenger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Wenger located?
- Spencer Wenger's practice location on file with NPPES is 12618 Hawthorne Blvd., Hawthorne, CA 90250-2325.
- What is Spencer Wenger's phone number?
- The practice phone number listed in the NPPES registry for Spencer Wenger is (310) 263-5700.
- Is Spencer Wenger's NPI active?
- Yes — Spencer Wenger's NPI (1649271040) is active in the NPPES registry as of the last update on 2021-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.