Benjamin Sopczynski, M.D.
NPI 1336554708 · Surgery Physician · Oakland, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Sopczynski, M.D. is a Surgery Physician provider in Oakland, CA (NPI 1336554708).
Provider details
- NPI number
- 1336554708
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A169158 (CA)
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
12 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
122 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 | 57 | $91 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 27 | $161 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $155 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 17 | $112 |
Typical Medicare-allowed amounts for these services range $91–$161 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 119 | 48 |
| Metoclopramide Hcl | 54 | 49 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 30 | 30 |
| Oxycodone Hcl | 27 | 27 |
| Hydrocortisone | 25 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 25 | 23 |
| Omeprazole | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$57 across 2 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
- 2014-06-24
- Last updated
- 2021-03-12
- Certified
- 2021-03-12
Frequently asked questions
- What is Benjamin Sopczynski's NPI number?
- Benjamin Sopczynski's National Provider Identifier (NPI) is 1336554708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Sopczynski's specialty?
- Benjamin Sopczynski is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Sopczynski located?
- Benjamin Sopczynski's practice location on file with NPPES is 365 Hawthorne Ave Ste 101, Oakland, CA 94609-3115.
- What is Benjamin Sopczynski's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Sopczynski is (510) 465-5523.
- Does Benjamin Sopczynski accept Medicare?
- Benjamin Sopczynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Sopczynski's NPI active?
- Yes — Benjamin Sopczynski's NPI (1336554708) is active in the NPPES registry as of the last update on 2021-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.