Michael Zimmerman, M.D.
NPI 1871601302 · Specialist · Las Vegas, NV
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Zimmerman, M.D. is a Specialist provider in Las Vegas, NV (NPI 1871601302).
Provider details
- NPI number
- 1871601302
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 7539 (NV)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
2,018 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 360 | $118 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 316 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 272 | $84 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 260 | $92 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 190 | $166 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 685 | 220 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 173 | 171 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 156 | 152 |
| Omeprazole | 113 | 40 |
| Famotidine | 88 | 40 |
| Esomeprazole Magnesium | 56 | 14 |
| Peg 3350/Sod Sulf,chlr/Pot/Magbrand: Suflave |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,235 across 118 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
- 2006-08-25
- Last updated
- 2020-05-13
- Certified
- 2020-05-13
Frequently asked questions
- What is Michael Zimmerman's NPI number?
- Michael Zimmerman's National Provider Identifier (NPI) is 1871601302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Zimmerman's specialty?
- Michael Zimmerman is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Michael Zimmerman located?
- Michael Zimmerman's practice location on file with NPPES is 2136 E Desert Inn Rd, Las Vegas, NV 89109-0802.
- What is Michael Zimmerman's phone number?
- The practice phone number listed in the NPPES registry for Michael Zimmerman is (702) 562-2420.
- Does Michael Zimmerman accept Medicare?
- Michael Zimmerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Zimmerman's NPI active?
- Yes — Michael Zimmerman's NPI (1871601302) is active in the NPPES registry as of the last update on 2020-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.