Anna Hallemeier, MD
NPI 1649333600 · Internal Medicine Physician · Simsbury, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Hallemeier, MD is a Internal Medicine Physician provider in Simsbury, CT (NPI 1649333600).
Provider details
- NPI number
- 1649333600
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 234053 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
19 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
518 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 | 170 | $132 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 107 | $135 |
| 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 | 101 | $17 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 42 | $20 |
| Administration of Influenza Virus VaccineG0008 | 35 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 420 | 120 |
| Amlodipine Besylate | 280 | 86 |
| Levothyroxine Sodium | 254 | 62 |
| Rosuvastatin Calcium | 245 | 71 |
| Losartan Potassium | 223 | 62 |
| Omeprazole | 157 | 51 |
| Lisinopril |
Practice location
Mailing address
Additional practice locations (1)
- 433 W Main StHyannis, MA 02601-3644Phone: (508) 778-4777Fax: (508) 771-9555
Registry dates
- Enumerated
- 2006-12-19
- Last updated
- 2022-11-07
- Certified
- 2020-02-11
Frequently asked questions
- What is Anna Hallemeier's NPI number?
- Anna Hallemeier's National Provider Identifier (NPI) is 1649333600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Hallemeier's specialty?
- Anna Hallemeier is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Hallemeier located?
- Anna Hallemeier's practice location on file with NPPES is 720 Hopmeadow St, Simsbury, CT 06070-2224.
- What is Anna Hallemeier's phone number?
- The practice phone number listed in the NPPES registry for Anna Hallemeier is (860) 651-3519.
- Does Anna Hallemeier accept Medicare?
- Anna Hallemeier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Hallemeier's NPI active?
- Yes — Anna Hallemeier's NPI (1649333600) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.