Susan Mayer-Oakes, M.D.
NPI 1902916059 · Internal Medicine Physician · Montecito, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Mayer-Oakes, M.D. is a Internal Medicine Physician provider in Montecito, CA (NPI 1902916059).
Provider details
- NPI number
- 1902916059
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A38844 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
859 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 | 495 | $135 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 102 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $96 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 65 | $138 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 64 | $117 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 78 | 34 |
| Gabapentin | 78 | 19 |
| Levothyroxine Sodium | 66 | 29 |
| Amlodipine Besylate | 63 | 23 |
| Rosuvastatin Calcium | 57 | 24 |
| Losartan Potassium | 47 | 19 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2023-08-01
- Certified
- 2023-08-01
Frequently asked questions
- What is Susan Mayer-Oakes's NPI number?
- Susan Mayer-Oakes's National Provider Identifier (NPI) is 1902916059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Mayer-Oakes's specialty?
- Susan Mayer-Oakes is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Mayer-Oakes located?
- Susan Mayer-Oakes's practice location on file with NPPES is 1187 Coast Village Rd Ste 10a, Montecito, CA 93108-2764.
- What is Susan Mayer-Oakes's phone number?
- The practice phone number listed in the NPPES registry for Susan Mayer-Oakes is (805) 565-0020.
- Does Susan Mayer-Oakes accept Medicare?
- Susan Mayer-Oakes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Mayer-Oakes's NPI active?
- Yes — Susan Mayer-Oakes's NPI (1902916059) is active in the NPPES registry as of the last update on 2023-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.