Olivia Simpson, MD
NPI 1205366564 · Geriatric Medicine (Family Medicine) Physician · Waterville, ME
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Simpson, MD is a Geriatric Medicine (Family Medicine) Physician provider in Waterville, ME (NPI 1205366564).
Provider details
- NPI number
- 1205366564
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- EC171068 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
133 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 63 | $119 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 49 | $173 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 21 | $134 |
Typical Medicare-allowed amounts for these services range $119–$173 (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 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 214 | 39 |
| Levothyroxine Sodium | 126 | 32 |
| Furosemide | 112 | 16 |
| Atorvastatin Calcium | 111 | 38 |
| Omeprazole | 98 | 23 |
| Metoprolol Succinate | 79 | 16 |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Additional practice locations (1)
- 76 High StLewiston, ME 04240-7649Phone: (207) 795-2800
Registry dates
- Enumerated
- 2017-06-19
- Last updated
- 2022-07-21
- Certified
- 2021-08-10
Frequently asked questions
- What is Olivia Simpson's NPI number?
- Olivia Simpson's National Provider Identifier (NPI) is 1205366564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Simpson's specialty?
- Olivia Simpson is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Olivia Simpson located?
- Olivia Simpson's practice location on file with NPPES is 149 North St, Waterville, ME 04901-4974.
- What is Olivia Simpson's phone number?
- The practice phone number listed in the NPPES registry for Olivia Simpson is (207) 861-5000.
- Does Olivia Simpson accept Medicare?
- Olivia Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Simpson's NPI active?
- Yes — Olivia Simpson's NPI (1205366564) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.