Glenn Ehresmann, M.D.
NPI 1043248727 · Rheumatology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glenn Ehresmann, M.D. is a Rheumatology Physician provider in Los Angeles, CA (NPI 1043248727).
Provider details
- NPI number
- 1043248727
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G27348 (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
19 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
1,440 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 | 761 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 153 | $102 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 148 | $53 |
| 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 | 144 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 119 | $70 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 145 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 323 | 42 |
| Prednisone | 229 | 40 |
| Hydroxychloroquine Sulfate | 195 | 47 |
| Methotrexate Sodiumbrand: Methotrexate | 153 | 32 |
| Levothyroxine Sodiumbrand: Synthroid | 144 | 29 |
| Levothyroxine Sodium | 130 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36,149 across 92 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
- 2006-06-29
- Last updated
- 2023-11-27
- Certified
- 2020-10-15
Frequently asked questions
- What is Glenn Ehresmann's NPI number?
- Glenn Ehresmann's National Provider Identifier (NPI) is 1043248727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Ehresmann's specialty?
- Glenn Ehresmann is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn Ehresmann located?
- Glenn Ehresmann's practice location on file with NPPES is 1520 San Pablo St, Los Angeles, CA 90033-5310.
- What is Glenn Ehresmann's phone number?
- The practice phone number listed in the NPPES registry for Glenn Ehresmann is (323) 442-5100.
- Does Glenn Ehresmann accept Medicare?
- Glenn Ehresmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glenn Ehresmann's NPI active?
- Yes — Glenn Ehresmann's NPI (1043248727) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.