Elizabeth Kass, M.D.
NPI 1710906169 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Kass, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1710906169).
Provider details
- NPI number
- 1710906169
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 59517 (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
19 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
1,977 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 | 345 | $97 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 319 | $9 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 151 | $13 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 145 | $8 |
| Hemoglobin A1c Level83036 | 107 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 95 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 242 | 73 |
| Lisinopril | 170 | 41 |
| Levothyroxine Sodium | 159 | 46 |
| Amlodipine Besylate | 142 | 42 |
| Hydrochlorothiazide | 127 | 35 |
| Metoprolol Succinate | 112 | 26 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2012-01-26
Frequently asked questions
- What is Elizabeth Kass's NPI number?
- Elizabeth Kass's National Provider Identifier (NPI) is 1710906169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Kass's specialty?
- Elizabeth Kass is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Kass located?
- Elizabeth Kass's practice location on file with NPPES is 1340 Boylston St, Boston, MA 02215-4302.
- What is Elizabeth Kass's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Kass is (617) 267-0900.
- Does Elizabeth Kass accept Medicare?
- Elizabeth Kass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Kass's NPI active?
- Yes — Elizabeth Kass's NPI (1710906169) is active in the NPPES registry as of the last update on 2012-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.