Andrew Gruenzel, MD
Pain Medicine (Anesthesiology) Physician · Willoughby, OH
Andrew Gruenzel, MD is a pain medicine (anesthesiology) physician with a practice address in Willoughby, Ohio, and NPI 1548793177, issued on Apr 10, 2017. Check the license (Ohio 35.145712, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Andrew Gruenzel
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- 35.145712 OH
Self-reported in NPPES; status is on the state search - Practice location
- 5105 Som Center RD #202, Willoughby, OH 44094
- Phone
- (440) 953-5760
- Enumerated
- Apr 10, 2017
- Record last updated
- Jun 29, 2022
- Fax
- (440) 953-5761
- Medicaid ID
- 0224048 OH
- Medicare enrollment
- Enrolled (PECOS I20220721001313); accepts Medicare assignment
- Medical or professional school
- Cincinnati College Of Medicine And Surgery, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 167 in Ohio → Look up another NPI →
Verify Andrew Gruenzel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.145712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
2,010 Medicare Part D claims for 339 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 834 claims were for opioids.
Most prescribed
- Gabapentin286 claims
- Hydrocodone-Acetaminophen227 claims
- Oxycodone-Acetaminophen215 claims
- Tramadol Hcl190 claims
- Pregabalin180 claims
- Duloxetine Hcl128 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,277.42
56 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Primary Care Practices IncConneaut, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Gruenzel among 167 pain medicine (anesthesiology) physician records in Ohio
Andrew Gruenzel, MD is one of 167 pain medicine (anesthesiology) physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 92% of them.
- NPI issued2017 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2017 · median 2002 among the 126 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Ohio
There are 167 pain medicine (anesthesiology) physician records in Ohio.
All 167 in Ohio → Every provider in Willoughby → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Patrick McIntyre, MDWilloughby, OH 440941831142140
- Henry Vucetic, MDWilloughby, OH 440941104015213
- Pavan Tankha, D.O.Twinsburg, OH 440871881854842
- John Bastulli, M.D.Cleveland, OH 441061104811264
- Salim Hayek, MDCleveland, OH 441061770501272
- Ernest Marsolais, MDCleveland, OH 441061437171329
- Ali McHaourab, M.D.Cleveland, OH 441061841303005
- Robert RogoffCleveland, OH 441061891780961
Common questions
What is Andrew Gruenzel, MD's NPI number?
Andrew Gruenzel, MD's National Provider Identifier (NPI) is 1548793177, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Gruenzel, MD located?
The NPPES record lists a practice address at 5105 Som Center RD #202, Willoughby, OH, 44094. Phone: (440) 953-5760. Providers update this record themselves, so call before visiting.
How can I verify Andrew Gruenzel, MD's license?
NPPES lists Ohio license number 35.145712, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Gruenzel, MD prescribe under Medicare Part D?
In 2024, Andrew Gruenzel, MD had 2,010 Medicare Part D claims for 339 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.