Toby Chai, M.D.
NPI 1265548697 · Urology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Toby Chai, M.D. is a Urology Physician provider in Boston, MA (NPI 1265548697).
Provider details
- NPI number
- 1265548697
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 280790 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
434 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 155 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $102 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 54 | $74 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 19 | $86 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 18 | $37 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 332 | 123 |
| Finasteride | 217 | 88 |
| Mirabegronbrand: Myrbetriq | 178 | 40 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 120 | 33 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 71 | 23 |
| Methenamine Hippurate | 53 | 15 |
| Estradiol | 40 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14,666 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 11 Nevins StSuite 303 - UrologyBrighton, MA 02135Phone: (617) 787-8181Fax: (617) 787-4644
- 736 Cambridge StUrology InpatientBrighton, MA 02135Phone: (617) 787-8181Fax: (617) 787-4644
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2026-02-11
- Certified
- 2026-02-11
Frequently asked questions
- What is Toby Chai's NPI number?
- Toby Chai's National Provider Identifier (NPI) is 1265548697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Toby Chai's specialty?
- Toby Chai is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Toby Chai located?
- Toby Chai's practice location on file with NPPES is 725 Albany St, Suite 3b, Boston, MA 02118.
- What is Toby Chai's phone number?
- The practice phone number listed in the NPPES registry for Toby Chai is (617) 638-8485.
- Does Toby Chai accept Medicare?
- Toby Chai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Toby Chai's NPI active?
- Yes — Toby Chai's NPI (1265548697) is active in the NPPES registry as of the last update on 2026-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.