David Mcgrath, M.D.
NPI 1275640229 · Internal Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Mcgrath, M.D. is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1275640229).
Provider details
- NPI number
- 1275640229
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301068115 (MI)
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
19 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
1,220 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 | 277 | $127 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 198 | $9 |
| 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 | 140 | $17 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 107 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 103 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 128 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 924 | 243 |
| Amlodipine Besylate | 623 | 157 |
| Lisinopril | 479 | 124 |
| Losartan Potassium | 447 | 115 |
| Levothyroxine Sodium | 376 | 98 |
| Omeprazole | 302 | 88 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2022-12-13
- Certified
- 2022-12-13
Frequently asked questions
- What is David Mcgrath's NPI number?
- David Mcgrath's National Provider Identifier (NPI) is 1275640229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Mcgrath's specialty?
- David Mcgrath is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Mcgrath located?
- David Mcgrath's practice location on file with NPPES is 1000 East Paris Ave Se Ste 100, Grand Rapids, MI 49546.
- What is David Mcgrath's phone number?
- The practice phone number listed in the NPPES registry for David Mcgrath is (616) 459-3158.
- Does David Mcgrath accept Medicare?
- David Mcgrath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Mcgrath's NPI active?
- Yes — David Mcgrath's NPI (1275640229) is active in the NPPES registry as of the last update on 2022-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.