Matthew Breeggemann, M.D.
NPI 1083077549 · Nephrology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Breeggemann, M.D. is a Nephrology Physician provider in San Francisco, CA (NPI 1083077549).
Provider details
- NPI number
- 1083077549
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A168104 (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
10 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
1,182 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 249 | $161 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 226 | $132 |
| Hemodialysis Procedure With Physician Evaluation90935 | 126 | $79 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 116 | $88 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 95 | $202 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician Or |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 28 | 14 |
| Chlorthalidone | 28 | 15 |
| Potassium Citratebrand: Potassium Citrate Er | 20 | — |
| Lisinopril | 18 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 15 | — |
| Furosemide | 14 | — |
| Tamsulosin Hcl | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,364 across 15 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
- 2016-04-01
- Last updated
- 2024-08-15
- Certified
- 2024-08-15
Frequently asked questions
- What is Matthew Breeggemann's NPI number?
- Matthew Breeggemann's National Provider Identifier (NPI) is 1083077549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Breeggemann's specialty?
- Matthew Breeggemann is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Breeggemann located?
- Matthew Breeggemann's practice location on file with NPPES is 400 Parnassus Ave # B1, San Francisco, CA 94143-2202.
- What is Matthew Breeggemann's phone number?
- The practice phone number listed in the NPPES registry for Matthew Breeggemann is (415) 353-2507.
- Does Matthew Breeggemann accept Medicare?
- Matthew Breeggemann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Breeggemann's NPI active?
- Yes — Matthew Breeggemann's NPI (1083077549) is active in the NPPES registry as of the last update on 2024-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.