Teresa Nauenberg, MD
NPI 1407963382 · Internal Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresa Nauenberg, MD is a Internal Medicine Physician provider in Palo Alto, CA (NPI 1407963382).
Provider details
- NPI number
- 1407963382
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A66148 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
513 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 | 211 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 110 | $111 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 67 | $158 |
| Admn Sarscov2 Vacc 1 Dose90480 | 48 | $52 |
| Administration of Influenza Virus VaccineG0008 | 42 | $39 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 82 | 25 |
| Atorvastatin Calcium | 82 | 24 |
| Amlodipine Besylate | 69 | 20 |
| Levothyroxine Sodium | 53 | 14 |
| Valsartan | 32 | — |
| Metoprolol Succinate | 30 | — |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (1)
- 795 El Camino RealPalo Alto, CA 94301-2302Phone: (650) 853-2977
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2020-03-04
- Certified
- 2020-03-04
Frequently asked questions
- What is Teresa Nauenberg's NPI number?
- Teresa Nauenberg's National Provider Identifier (NPI) is 1407963382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Nauenberg's specialty?
- Teresa Nauenberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Teresa Nauenberg located?
- Teresa Nauenberg's practice location on file with NPPES is 49 Wells Ave, Palo Alto, CA 94301-2313.
- What is Teresa Nauenberg's phone number?
- The practice phone number listed in the NPPES registry for Teresa Nauenberg is (650) 614-3299.
- Does Teresa Nauenberg accept Medicare?
- Teresa Nauenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresa Nauenberg's NPI active?
- Yes — Teresa Nauenberg's NPI (1407963382) is active in the NPPES registry as of the last update on 2020-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.