Steven Blumlein, MD
NPI 1568473361 · Cardiovascular Disease Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Blumlein, MD is a Cardiovascular Disease Physician provider in San Francisco, CA (NPI 1568473361).
Provider details
- NPI number
- 1568473361
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G39578 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,257 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 546 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 543 | $154 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 372 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 319 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 216 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 604 | 170 |
| Apixabanbrand: Eliquis | 535 | 117 |
| Amlodipine Besylate | 457 | 126 |
| Metoprolol Succinate | 373 | 114 |
| Carvedilol | 210 | 58 |
| Losartan Potassium | 205 | 56 |
| Losartan/Hydrochlorothiazide |
Practice location
Mailing address
Additional practice locations (4)
- 45 Castro St Ste 125San Francisco, CA 94114-1032Phone: (415) 537-8600Fax: (415) 369-1371
- 45 Castro St Ste 402San Francisco, CA 94114-1040Phone: (415) 537-8600Fax: (415) 369-1371
- 45 Castro St Ste 432San Francisco, CA 94114-1028Phone: (415) 537-8600Fax: (415) 369-1371
- 1580 Valencia St Ste 412San Francisco, CA 94110-4417Phone: (415) 537-4153Fax: (415) 369-1371
Registry dates
- Enumerated
- 2006-08-10
- Last updated
- 2020-01-15
- Certified
- 2020-01-15
Frequently asked questions
- What is Steven Blumlein's NPI number?
- Steven Blumlein's National Provider Identifier (NPI) is 1568473361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Blumlein's specialty?
- Steven Blumlein is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Blumlein located?
- Steven Blumlein's practice location on file with NPPES is 1100 Van Ness Ave Fl 5, San Francisco, CA 94109-6978.
- What is Steven Blumlein's phone number?
- The practice phone number listed in the NPPES registry for Steven Blumlein is (415) 537-8600.
- Does Steven Blumlein accept Medicare?
- Steven Blumlein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Blumlein's NPI active?
- Yes — Steven Blumlein's NPI (1568473361) is active in the NPPES registry as of the last update on 2020-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.