Jaclyn Chaffee, M.D.
NPI 1477745198 · Internal Medicine Physician · Maplewood, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaclyn Chaffee, M.D. is a Internal Medicine Physician provider in Maplewood, MN (NPI 1477745198).
Provider details
- NPI number
- 1477745198
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 49121 (MN)
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
18 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
964 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 303 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 257 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 79 | $125 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 61 | $6 |
| Screening Mammography77067 | 58 | $125 |
| Screening 3d Breast Mammography77063 | 51 |
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 | 813 | 218 |
| Amlodipine Besylate | 433 | 126 |
| Omeprazole | 393 | 109 |
| Levothyroxine Sodium | 369 | 101 |
| Lisinopril | 303 | 88 |
| Metoprolol Succinate | 257 | 76 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-16
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Jaclyn Chaffee's NPI number?
- Jaclyn Chaffee's National Provider Identifier (NPI) is 1477745198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaclyn Chaffee's specialty?
- Jaclyn Chaffee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jaclyn Chaffee located?
- Jaclyn Chaffee's practice location on file with NPPES is 2165 White Bear Ave N, Maplewood, MN 55109-2707.
- What is Jaclyn Chaffee's phone number?
- The practice phone number listed in the NPPES registry for Jaclyn Chaffee is (651) 523-9800.
- Does Jaclyn Chaffee accept Medicare?
- Jaclyn Chaffee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaclyn Chaffee's NPI active?
- Yes — Jaclyn Chaffee's NPI (1477745198) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.