Harriet Borofsky, M.D.
NPI 1033162912 · Diagnostic Radiology Physician · San Mateo, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harriet Borofsky, M.D. is a Diagnostic Radiology Physician provider in San Mateo, CA (NPI 1033162912).
Provider details
- NPI number
- 1033162912
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G689150 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,711 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 1,089 | $30 |
| Screening Mammography77067 | 1,088 | $38 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 357 | $30 |
| Complete Ultrasound Scan of 1 Breast76641 | 309 | $51 |
| Diagnostic Mammography of 1 Breast77065 | 252 | $40 |
| Diagnostic Mammography of Both Breasts77066 | 227 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$454 across 7 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
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2019-07-22
Frequently asked questions
- What is Harriet Borofsky's NPI number?
- Harriet Borofsky's National Provider Identifier (NPI) is 1033162912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harriet Borofsky's specialty?
- Harriet Borofsky is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Harriet Borofsky located?
- Harriet Borofsky's practice location on file with NPPES is 100 S San Mateo Dr, San Mateo, CA 94401-3805.
- What is Harriet Borofsky's phone number?
- The practice phone number listed in the NPPES registry for Harriet Borofsky is (650) 696-4140.
- Does Harriet Borofsky accept Medicare?
- Harriet Borofsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harriet Borofsky's NPI active?
- Yes — Harriet Borofsky's NPI (1033162912) is active in the NPPES registry as of the last update on 2019-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.