Allan Mackay, MD
NPI 1811904923 · Anesthesiology Physician · Bloomington, IN
Enrolled with Medicare as Practitioner - Interventional Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allan Mackay, MD is a Anesthesiology Physician provider in Bloomington, IN (NPI 1811904923).
Provider details
- NPI number
- 1811904923
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01062200A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
541 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 291 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 145 | $119 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 43 | $61 |
| Injection of Anesthetic Or Steroid Into Joint Between Lower Spine and Hip Bone Using Imaging Guidance27096 | 26 | $191 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 18 | $93 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 317 | 39 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 258 | 26 |
| Gabapentin | 135 | 21 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 113 | — |
| Tizanidine Hcl | 109 | 19 |
| Tramadol Hcl | 102 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35 across 2 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
- 2006-08-02
- Last updated
- 2016-03-29
Frequently asked questions
- What is Allan Mackay's NPI number?
- Allan Mackay's National Provider Identifier (NPI) is 1811904923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allan Mackay's specialty?
- Allan Mackay is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Allan Mackay located?
- Allan Mackay's practice location on file with NPPES is 100 N Curry Pike, Bloomington, IN 47404-2593.
- What is Allan Mackay's phone number?
- The practice phone number listed in the NPPES registry for Allan Mackay is (812) 339-5424.
- Does Allan Mackay accept Medicare?
- Allan Mackay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allan Mackay's NPI active?
- Yes — Allan Mackay's NPI (1811904923) is active in the NPPES registry as of the last update on 2016-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.