David Arenstein, MD
NPI 1083273734 · Family Medicine Physician · Kalamazoo, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Arenstein, MD is a Family Medicine Physician provider in Kalamazoo, MI (NPI 1083273734).
Provider details
- NPI number
- 1083273734
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4351045412 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 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
774 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 | 243 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 102 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 71 | $122 |
| Administration of Influenza Virus VaccineG0008 | 42 | $30 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 248 | 87 |
| Losartan Potassium | 195 | 69 |
| Rosuvastatin Calcium | 181 | 67 |
| Amlodipine Besylate | 173 | 54 |
| Lisinopril | 165 | 64 |
| Levothyroxine Sodium | 158 | 47 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$159 across 9 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
- 2019-06-06
- Last updated
- 2022-05-19
- Certified
- 2022-04-19
Frequently asked questions
- What is David Arenstein's NPI number?
- David Arenstein's National Provider Identifier (NPI) is 1083273734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Arenstein's specialty?
- David Arenstein is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Arenstein located?
- David Arenstein's practice location on file with NPPES is 1000 Oakland Dr, Kalamazoo, MI 49008-1282.
- What is David Arenstein's phone number?
- The practice phone number listed in the NPPES registry for David Arenstein is (269) 965-8866.
- Does David Arenstein accept Medicare?
- David Arenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Arenstein's NPI active?
- Yes — David Arenstein's NPI (1083273734) is active in the NPPES registry as of the last update on 2022-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.