David Simon, MD
NPI 1922089135 · Internal Medicine Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Simon, MD is a Internal Medicine Physician provider in Anaheim, CA (NPI 1922089135).
Provider details
- NPI number
- 1922089135
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G57931 (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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
438 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 149 | $112 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 125 | $6 |
| 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 | 103 | $17 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 28 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 20 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 532 | 162 |
| Amlodipine Besylate | 294 | 87 |
| Metformin Hcl | 188 | 61 |
| Metoprolol Succinate | 170 | 52 |
| Benazepril Hcl | 162 | 46 |
| Losartan Potassium | 161 | 53 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-07
- Last updated
- 2017-11-13
Frequently asked questions
- What is David Simon's NPI number?
- David Simon's National Provider Identifier (NPI) is 1922089135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Simon's specialty?
- David Simon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Simon located?
- David Simon's practice location on file with NPPES is 100 S Anaheim Blvd Ste 101, Anaheim, CA 92805-3848.
- What is David Simon's phone number?
- The practice phone number listed in the NPPES registry for David Simon is (714) 826-1200.
- Does David Simon accept Medicare?
- David Simon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Simon's NPI active?
- Yes — David Simon's NPI (1922089135) is active in the NPPES registry as of the last update on 2017-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.