Debra Adler-Klein, MD
NPI 1245278886 · Internal Medicine Physician · Danbury, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Debra Adler-Klein, MD is a Internal Medicine Physician provider in Danbury, CT (NPI 1245278886).
Provider details
- NPI number
- 1245278886
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 029017 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 53 | 20 |
| Amlodipine Besylate | 51 | 19 |
| Lisinopril | 46 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 35 | — |
| Metformin Hcl | 30 | 14 |
| Rosuvastatin Calcium | 29 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-04
- Last updated
- 2014-02-21
Frequently asked questions
- What is Debra Adler-Klein's NPI number?
- Debra Adler-Klein's National Provider Identifier (NPI) is 1245278886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Debra Adler-Klein's specialty?
- Debra Adler-Klein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Debra Adler-Klein located?
- Debra Adler-Klein's practice location on file with NPPES is 79 Sand Pit Rd, Danbury, CT 06810-4005.
- What is Debra Adler-Klein's phone number?
- The practice phone number listed in the NPPES registry for Debra Adler-Klein is (203) 749-5700.
- Does Debra Adler-Klein accept Medicare?
- Debra Adler-Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Debra Adler-Klein's NPI active?
- Yes — Debra Adler-Klein's NPI (1245278886) is active in the NPPES registry as of the last update on 2014-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.