Hassna Atlassi, MD
NPI 1326107541 · Internal Medicine Physician · Southborough, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hassna Atlassi, MD is a Internal Medicine Physician provider in Southborough, MA (NPI 1326107541).
Provider details
- NPI number
- 1326107541
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 211085 (MA)
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
19 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
608 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 | 222 | $129 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 119 | $9 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 63 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $92 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 39 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 114 | 31 |
| Lisinopril | 114 | 34 |
| Losartan Potassium | 107 | 29 |
| Levothyroxine Sodium | 103 | 32 |
| Amlodipine Besylate | 70 | 20 |
| Atenolol | 66 | 18 |
| Hydrochlorothiazide | 66 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$107 across 6 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
- 2006-12-06
- Last updated
- 2023-10-25
- Certified
- 2023-10-25
Frequently asked questions
- What is Hassna Atlassi's NPI number?
- Hassna Atlassi's National Provider Identifier (NPI) is 1326107541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hassna Atlassi's specialty?
- Hassna Atlassi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hassna Atlassi located?
- Hassna Atlassi's practice location on file with NPPES is 162 Cordaville Rd, Southborough, MA 01772-1838.
- What is Hassna Atlassi's phone number?
- The practice phone number listed in the NPPES registry for Hassna Atlassi is (508) 281-9471.
- Does Hassna Atlassi accept Medicare?
- Hassna Atlassi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hassna Atlassi's NPI active?
- Yes — Hassna Atlassi's NPI (1326107541) is active in the NPPES registry as of the last update on 2023-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.