Doris Altherr, MD
NPI 1881680775 · Internal Medicine Physician · Plainville, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Doris Altherr, MD is a Internal Medicine Physician provider in Plainville, CT (NPI 1881680775).
Provider details
- NPI number
- 1881680775
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 037854 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
241 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 124 | $134 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 60 | $135 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $188 |
| Hemoglobin A1c Level83036 | 17 | $10 |
| Administration of Influenza Virus VaccineG0008 | 13 | $31 |
Typical Medicare-allowed amounts for these services range $10–$188 (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 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 344 | 72 |
| Lisinopril | 288 | 63 |
| Atorvastatin Calcium | 233 | 56 |
| Amlodipine Besylate | 184 | 38 |
| Metformin Hcl | 161 | 34 |
| Carvedilol | 155 | 34 |
| Pravastatin Sodium | 142 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$287 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-26
- Last updated
- 2011-02-28
Frequently asked questions
- What is Doris Altherr's NPI number?
- Doris Altherr's National Provider Identifier (NPI) is 1881680775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doris Altherr's specialty?
- Doris Altherr is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Doris Altherr located?
- Doris Altherr's practice location on file with NPPES is 7 N Washington St, Plainville, CT 06062-1957.
- What is Doris Altherr's phone number?
- The practice phone number listed in the NPPES registry for Doris Altherr is (860) 314-6886.
- Does Doris Altherr accept Medicare?
- Doris Altherr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Doris Altherr's NPI active?
- Yes — Doris Altherr's NPI (1881680775) is active in the NPPES registry as of the last update on 2011-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.