David Alter, MD
NPI 1396301057 · Internal Medicine Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Alter, MD is a Internal Medicine Physician provider in Oak Lawn, IL (NPI 1396301057).
Provider details
- NPI number
- 1396301057
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.161455 (IL)
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
7 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
700 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 133 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 124 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 119 | $128 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 86 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 52 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 173 | 59 |
| Gabapentin | 91 | 33 |
| Amlodipine Besylate | 85 | 32 |
| Pantoprazole Sodium | 84 | 22 |
| Metformin Hcl | 82 | 28 |
| Losartan Potassium | 70 | 24 |
| Carvedilol | 59 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-17
- Last updated
- 2024-09-04
- Certified
- 2024-09-04
Frequently asked questions
- What is David Alter's NPI number?
- David Alter's National Provider Identifier (NPI) is 1396301057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Alter's specialty?
- David Alter is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Alter located?
- David Alter's practice location on file with NPPES is 4220 W 95th St Ste 200, Oak Lawn, IL 60453-3072.
- What is David Alter's phone number?
- The practice phone number listed in the NPPES registry for David Alter is (708) 398-0287.
- Does David Alter accept Medicare?
- David Alter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Alter's NPI active?
- Yes — David Alter's NPI (1396301057) is active in the NPPES registry as of the last update on 2024-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.