Grant Macaulay, M.D.
NPI 1053360719 · Internal Medicine Physician · Madison, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Macaulay, M.D. is a Internal Medicine Physician provider in Madison, WI (NPI 1053360719).
Provider details
- NPI number
- 1053360719
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 206897 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
440 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 | 147 | $120 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 122 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 68 | $121 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 47 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $85 |
| Diabetes Outpatient Self-Management Training Services, Individual, Per 30 MinutesG0108 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 267 | 82 |
| Amlodipine Besylate | 135 | 37 |
| Levothyroxine Sodium | 116 | 38 |
| Simvastatin | 97 | 23 |
| Omeprazole | 95 | 32 |
| Metformin Hclbrand: Metformin Hcl Er | 81 | 27 |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-09
- Last updated
- 2023-03-02
- Certified
- 2023-03-02
Frequently asked questions
- What is Grant Macaulay's NPI number?
- Grant Macaulay's National Provider Identifier (NPI) is 1053360719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Macaulay's specialty?
- Grant Macaulay is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Macaulay located?
- Grant Macaulay's practice location on file with NPPES is 752 N High Point Rd, Madison, WI 53717-2236.
- What is Grant Macaulay's phone number?
- The practice phone number listed in the NPPES registry for Grant Macaulay is (608) 824-4000.
- Does Grant Macaulay accept Medicare?
- Grant Macaulay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Macaulay's NPI active?
- Yes — Grant Macaulay's NPI (1053360719) is active in the NPPES registry as of the last update on 2023-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.