Andrew Gruenzel, MD
NPI 1548793177 · Pain Medicine (Anesthesiology) Physician · Willoughby, OH
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Gruenzel, MD is a Pain Medicine (Anesthesiology) Physician provider in Willoughby, OH (NPI 1548793177).
Provider details
- NPI number
- 1548793177
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
699 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 | 286 | $88 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 116 | $121 |
| 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 | 89 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 77 | $60 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 48 | $90 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 286 | 91 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 227 | 54 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 215 | 45 |
| Tramadol Hcl | 190 | 55 |
| Pregabalin | 180 | 45 |
| Duloxetine Hcl | 128 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,277 across 56 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
Additional practice locations (1)
- 55 Fruit St # 437Boston, MA 02114-2621Phone: (617) 643-2652Fax: (617) 724-6981
Registry dates
- Enumerated
- 2017-04-10
- Last updated
- 2022-06-29
- Certified
- 2022-06-29
Frequently asked questions
- What is Andrew Gruenzel's NPI number?
- Andrew Gruenzel's National Provider Identifier (NPI) is 1548793177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Gruenzel's specialty?
- Andrew Gruenzel is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Gruenzel located?
- Andrew Gruenzel's practice location on file with NPPES is 5105 Som Center Rd #202, Willoughby, OH 44094.
- What is Andrew Gruenzel's phone number?
- The practice phone number listed in the NPPES registry for Andrew Gruenzel is (440) 953-5760.
- Does Andrew Gruenzel accept Medicare?
- Andrew Gruenzel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Gruenzel's NPI active?
- Yes — Andrew Gruenzel's NPI (1548793177) is active in the NPPES registry as of the last update on 2022-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.