Elizabeth Graef, D.O.
NPI 1598171878 · Rheumatology Physician · Burlington, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Graef, D.O. is a Rheumatology Physician provider in Burlington, MA (NPI 1598171878).
Provider details
- NPI number
- 1598171878
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 285590 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
13 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 | 13 | $101 |
Typical Medicare-allowed amounts for these services range $101–$101 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 42 | 17 |
| Allopurinol | 34 | 14 |
| Colchicine | 29 | — |
| Prednisone | 28 | 17 |
| Celecoxib | 19 | — |
| Methotrexate Sodiumbrand: Methotrexate | 17 | — |
| Adalimumabbrand: Humira Pen | 13 | — |
Practice location
Mailing address
Additional practice locations (2)
- 41 Highland AveWinchester, MA 01890-1446Phone: (781) 382-3200
- 14 Tsienneto Rd Ste 200aDerry, NH 03038-1647Phone: (866) 479-3208
Registry dates
- Enumerated
- 2014-07-07
- Last updated
- 2026-02-10
- Certified
- 2026-02-10
Frequently asked questions
- What is Elizabeth Graef's NPI number?
- Elizabeth Graef's National Provider Identifier (NPI) is 1598171878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Graef's specialty?
- Elizabeth Graef is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Graef located?
- Elizabeth Graef's practice location on file with NPPES is 67 South Bedford St, Burlington, MA 01803.
- What is Elizabeth Graef's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Graef is (781) 744-8551.
- Does Elizabeth Graef accept Medicare?
- Elizabeth Graef is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Graef's NPI active?
- Yes — Elizabeth Graef's NPI (1598171878) is active in the NPPES registry as of the last update on 2026-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.