Carolyn Day, M.D.
NPI 1619921350 · Internal Medicine Physician · Bend, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Day, M.D. is a Internal Medicine Physician provider in Bend, OR (NPI 1619921350).
Provider details
- NPI number
- 1619921350
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD167095 (OR)
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
991 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 | 365 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 146 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 117 | $87 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 100 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 45 | $9 |
| Administration of Pneumococcal Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 319 | 94 |
| Levothyroxine Sodium | 299 | 79 |
| Rosuvastatin Calcium | 222 | 77 |
| Losartan Potassium | 201 | 53 |
| Amlodipine Besylate | 189 | 50 |
| Trazodone Hcl | 153 | 46 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2025-01-02
- Certified
- 2025-01-02
Frequently asked questions
- What is Carolyn Day's NPI number?
- Carolyn Day's National Provider Identifier (NPI) is 1619921350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Day's specialty?
- Carolyn Day is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Day located?
- Carolyn Day's practice location on file with NPPES is 815 Sw Bond St, Bend, OR 97702-3593.
- What is Carolyn Day's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Day is (541) 382-4900.
- Does Carolyn Day accept Medicare?
- Carolyn Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Day's NPI active?
- Yes — Carolyn Day's NPI (1619921350) is active in the NPPES registry as of the last update on 2025-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.