Sarah Kirshenbaum
NPI 1548648793 · Clinical Social Worker · Boston, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Kirshenbaum is a Clinical Social Worker provider in Boston, MA (NPI 1548648793).
Provider details
- NPI number
- 1548648793
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 116808 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
207 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) |
|---|---|---|
| Psychotherapy, 45 Minutes90834 | 44 | $81 |
| Psychotherapy, 30 Minutes90832 | 43 | $53 |
| Psychotherapy, 30 Minutes90832 | 35 | $61 |
| Psychotherapy, 45 Minutes90834 | 32 | $70 |
| Psychiatric Diagnostic Evaluation90791 | 28 | $136 |
| Psychiatric Diagnostic Evaluation90791 | 25 | $114 |
Typical Medicare-allowed amounts for these services range $53–$136 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-08
- Last updated
- 2015-05-29
Frequently asked questions
- What is Sarah Kirshenbaum's NPI number?
- Sarah Kirshenbaum's National Provider Identifier (NPI) is 1548648793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Kirshenbaum's specialty?
- Sarah Kirshenbaum is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sarah Kirshenbaum located?
- Sarah Kirshenbaum's practice location on file with NPPES is 1 Boston Medical Ctr Pl, Boston, MA 02118-2908.
- What is Sarah Kirshenbaum's phone number?
- The practice phone number listed in the NPPES registry for Sarah Kirshenbaum is (617) 414-5245.
- Does Sarah Kirshenbaum accept Medicare?
- Sarah Kirshenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Kirshenbaum's NPI active?
- Yes — Sarah Kirshenbaum's NPI (1548648793) is active in the NPPES registry as of the last update on 2015-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.