Candace Feldman, MD
NPI 1598923211 · Rheumatology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Candace Feldman, MD is a Rheumatology Physician provider in Boston, MA (NPI 1598923211).
Provider details
- NPI number
- 1598923211
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
85 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 | 36 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $69 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 15 | $151 |
Typical Medicare-allowed amounts for these services range $69–$151 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 45 | 13 |
| Hydroxychloroquine Sulfate | 37 | — |
| Abataceptbrand: Orencia Clickject | 30 | — |
| Methotrexate Sodiumbrand: Methotrexate | 26 | — |
| Allopurinol | 25 | — |
| Ixekizumabbrand: Taltz Autoinjector | 25 | — |
| Methotrexate Sodium/Pfbrand: Methotrexate Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-29
- Last updated
- 2014-04-18
Frequently asked questions
- What is Candace Feldman's NPI number?
- Candace Feldman's National Provider Identifier (NPI) is 1598923211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Candace Feldman's specialty?
- Candace Feldman is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Candace Feldman located?
- Candace Feldman's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Candace Feldman's phone number?
- The practice phone number listed in the NPPES registry for Candace Feldman is (617) 732-5775.
- Does Candace Feldman accept Medicare?
- Candace Feldman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Candace Feldman's NPI active?
- Yes — Candace Feldman's NPI (1598923211) is active in the NPPES registry as of the last update on 2014-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.