Debra Little, M.D.
NPI 1154571016 · Psychiatry Physician · Merrimac, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Debra Little, M.D. is a Psychiatry Physician provider in Merrimac, MA (NPI 1154571016).
Provider details
- NPI number
- 1154571016
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 235270 (MA)
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
17 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
299 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 209 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 90 | $94 |
Typical Medicare-allowed amounts for these services range $64–$94 (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 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 302 | 24 |
| Lorazepam | 241 | 38 |
| Olanzapine | 232 | 20 |
| Trazodone Hcl | 216 | 23 |
| Clonazepam | 186 | 17 |
| Aripiprazole | 183 | 22 |
| Risperidone | 170 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-26
- Last updated
- 2020-01-08
- Certified
- 2020-01-08
Frequently asked questions
- What is Debra Little's NPI number?
- Debra Little's National Provider Identifier (NPI) is 1154571016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Debra Little's specialty?
- Debra Little is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Debra Little located?
- Debra Little's practice location on file with NPPES is 20 Lakewoods Dr, Merrimac, MA 01860-1227.
- What is Debra Little's phone number?
- The practice phone number listed in the NPPES registry for Debra Little is (508) 471-8348.
- Does Debra Little accept Medicare?
- Debra Little is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Debra Little's NPI active?
- Yes — Debra Little's NPI (1154571016) is active in the NPPES registry as of the last update on 2020-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.