Caitlin Olsen, NP
NPI 1669750378 · Psychiatric/Mental Health Nurse Practitioner · Marlborough, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caitlin Olsen, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Marlborough, MA (NPI 1669750378).
Provider details
- NPI number
- 1669750378
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN2264350 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
719 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 | 673 | $118 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 46 | $119 |
Typical Medicare-allowed amounts for these services range $118–$119 (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 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 966 | 293 |
| Metoprolol Succinate | 729 | 281 |
| Atorvastatin Calcium | 565 | 208 |
| Rosuvastatin Calcium | 379 | 141 |
| Furosemide | 342 | 142 |
| Amlodipine Besylate | 334 | 125 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-29
- Last updated
- 2022-07-18
- Certified
- 2022-07-18
Frequently asked questions
- What is Caitlin Olsen's NPI number?
- Caitlin Olsen's National Provider Identifier (NPI) is 1669750378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Olsen's specialty?
- Caitlin Olsen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caitlin Olsen located?
- Caitlin Olsen's practice location on file with NPPES is 159 Union St, Marlborough, MA 01752-1274.
- What is Caitlin Olsen's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Olsen is (508) 624-9687.
- Does Caitlin Olsen accept Medicare?
- Caitlin Olsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caitlin Olsen's NPI active?
- Yes — Caitlin Olsen's NPI (1669750378) is active in the NPPES registry as of the last update on 2022-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.