Dr. Frederick William Ernst, MD
- Medicare services, 2022
- 19
- Part D claims, 2024
- 477
- Industry payments
- $225
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1515 6th Ave S Fl 4, Birmingham, AL 35233
- Practice phone
- Call (205) 930-3600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cooper Green Mercy Health Services - Birmingham
Multi-Specialty Rehab Clinic · Birmingham, Alabama
Find Dr. Ernst's professional email, personal email and mobile number
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Dr. Frederick William Ernst is an anesthesiologist in Birmingham, Alabama
Dr. Ernst practices at Cooper Green Mercy Health Services - Birmingham in Birmingham, Alabama.
Dr. Ernst's NPI, 1407140304, was assigned on June 8, 2011. Dr. Ernst graduated from Ohio State University College of Medicine in 1966. Dr. Ernst holds Alabama license 6441.
- NPI
- 1407140304NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072947142
- NPI enumeration date
- June 8, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (205) 930-3600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 86
- Medical school graduation
- 1966
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Frederick William Ernst practices at Cooper Green Mercy Health Services - Birmingham in Birmingham, Alabama
Dr. Ernst's primary practice is Cooper Green Mercy Health Services - Birmingham, at 1515 6th Ave S Fl 4, Birmingham, AL 35233. The practice phone is (205) 930-3600.
- Cooper Green Mercy Health Services - Birmingham1515 6th Ave S Fl 4, Birmingham, AL 35233Phone(205) 930-3600
Source: Dmand AI Affiliation Data
Dr. Frederick William Ernst is affiliated with 1 site of care and 1 medical group
Dr. Ernst's primary practice is Cooper Green Mercy Health Services - Birmingham in Birmingham, Alabama. The medical group on file is Cooper Green Mercy Health Services. Dr. Ernst's employer is on file too: a physical therapy & rehab clinic.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Frederick William Ernst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ernst practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cooper Green Mercy Health Services - Birmingham | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Frederick William Ernst is one of 526 anesthesiologists in Alabama
Anesthesiology is Dr. Ernst's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ernst is licensed in Alabama.
Specialties and state licenses
- Anesthesiology, AlabamaPrimary
Anesthesiologists near Dr. Ernst
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Frederick William Ernst billed Medicare for 19 services in 2022
CMS data shows 19 Medicare services from Dr. Ernst across 1 procedure code in 2022, all of them office visits. Medicare paid $560 for them. Every service was in an office.
Dr. Ernst's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 462022: 1959%
Dr. Ernst compared with the Alabama median for anesthesiologists, 2022
- Dr. Ernst
- Alabama median
- Medicare services
- 19vs 16288% below
- Part D claims
- 433vs 2716.0 times
Medians across 549 anesthesiologists in Alabama with Dmand AI profiles that report each measure.
Dr. Ernst's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ernst?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ernst and other anesthesiologists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Frederick William Ernst's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Ernst's median patient age at 63, with 68% women.
Dr. Ernst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women68%
- Men32%
Source: Dmand AI Patient Panel Data
Dr. Frederick William Ernst wrote 477 Medicare Part D claims in 2024
In 2024, Dr. Ernst wrote 477 Medicare Part D claims for 46 patients. 99% of them were for generic drugs. CMS names the drug for 433 of them, across 7 drugs with 11 or more claims each, at $16,981 in total drug cost. In 2023, CMS named 433 claims across 6 drugs.
Dr. Ernst's Part D claims by kind of drug, 2024
- Generic473 claims99%
- Brand-name and other4 claims1%
Dr. Ernst's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ernst's Part D claims, 2024
- Opioids73%346 of 477 claims
- Antibiotics3%12 of 477 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4332024: 433No change
Drugs named by CMS: 7 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Frederick William Ernst takes part in Medicare
Dr. Ernst accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Frederick William Ernst received $225 in industry payments from 2017 to 2019
CMS Open Payments shows 4 general payments to Dr. Ernst from 4 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 66% of the total. Tosoh Bioscience, Inc. paid the most, $77.
General payments to Dr. Ernst by program year, 2017 to 2019
General payments to Dr. Ernst by kind, 2017 to 2019
- Food and beverage$14866%
- Gifts$7734%
Companies that paid Dr. Ernst the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Frederick William Ernst graduated from Ohio State University College of Medicine
Dr. Ernst graduated from Ohio State University College of Medicine in 1966.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Frederick William Ernst's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Frederick William Ernst
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What is Dr. Frederick William Ernst's NPI number?
Dr. Frederick William Ernst's NPI number is 1407140304. It was assigned on June 8, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Frederick William Ernst?
Dr. Frederick William Ernst is an anesthesiologist in Birmingham, Alabama. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Frederick William Ernst practice?
Dr. Ernst practices at 1515 6th Ave S Fl 4, Birmingham, AL 35233. Dr. Ernst's primary practice is Cooper Green Mercy Health Services - Birmingham in Birmingham, Alabama.
What is Dr. Frederick William Ernst's office phone number?
The practice phone on file for Dr. Ernst is (205) 930-3600.
What is Dr. Frederick William Ernst's medical license number?
Dr. Ernst holds Alabama license 6441.
What medical group is Dr. Frederick William Ernst part of?
Dr. Ernst is linked to Cooper Green Mercy Health Services.
Does Dr. Frederick William Ernst accept Medicare?
Yes. CMS data shows Dr. Ernst billed Medicare for 19 services in 2022, and Dr. Ernst accepts Medicare assignment.
What services does Dr. Frederick William Ernst bill to Medicare?
In 2022, Dr. Ernst's most billed Medicare services were office visit, established patient (99212).
Where did Dr. Frederick William Ernst go to medical school?
Dr. Ernst graduated from Ohio State University College of Medicine in 1966.
What drugs does Dr. Frederick William Ernst prescribe most?
In 2024 Medicare Part D data, Dr. Ernst's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cyclobenzaprine HCl and Acetaminophen-Codeine.
Has Dr. Frederick William Ernst received payments from drug or device companies?
CMS Open Payments shows $225 in general payments to Dr. Ernst from 4 companies from 2017 to 2019. The largest total came from Tosoh Bioscience, Inc.
How long has Dr. Frederick William Ernst been practicing?
Dr. Ernst graduated from medical school in 1966, 60 years ago.
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