Robert Kalish, M.D.
NPI 1215974084 · Rheumatology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Kalish, M.D. is a Rheumatology Physician provider in Boston, MA (NPI 1215974084).
Provider details
- NPI number
- 1215974084
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 74150 (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
20 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
441 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 | 215 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $67 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 58 | $151 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 42 | $46 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $135 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 112 | 24 |
| Prednisone | 90 | 40 |
| Hydroxychloroquine Sulfate | 45 | 14 |
| Tramadol Hcl | 45 | 18 |
| Alendronate Sodium | 26 | — |
| Allopurinol | 23 | — |
| Celecoxib | 23 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Kalish's NPI number?
- Robert Kalish's National Provider Identifier (NPI) is 1215974084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Kalish's specialty?
- Robert Kalish is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Kalish located?
- Robert Kalish's practice location on file with NPPES is 750 Washington St, Boston, MA 02111-1526.
- What is Robert Kalish's phone number?
- The practice phone number listed in the NPPES registry for Robert Kalish is (617) 636-5990.
- Does Robert Kalish accept Medicare?
- Robert Kalish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Kalish's NPI active?
- Yes — Robert Kalish's NPI (1215974084) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.