Dr. William A. Erwin, MD
- Medicare services, 2024
- 220
- Medicare patients, 2024
- 106
- Part D claims, 2021
- 13
- Industry payments
- $6,575
- Affiliated sites
- 3
- Practice address
- 13681 Doctors Way, Fort Myers, FL 33912
- Practice phone
- Call (239) 424-1503
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gulf Coast Medical Center
Fort Myers, Florida
Find Dr. Erwin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William A. Erwin is a pulmonologist in Fort Myers, Florida
Dr. Erwin practices at Gulf Coast Medical Center in Fort Myers, Florida.
Dr. Erwin's NPI, 1538154158, was assigned on September 20, 2005. Dr. Erwin graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1988. Dr. Erwin's Florida license number on file is ME148126.
- NPI
- 1538154158NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2005
- NPI status
- Active
- Practice phone
- (239) 424-1503
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William A. Erwin practices at Gulf Coast Medical Center in Fort Myers, Florida
Dr. Erwin's primary practice is Gulf Coast Medical Center, at 13681 Doctors Way, Fort Myers, FL 33912 in Lee County. The practice phone is (239) 424-1503.
- Gulf Coast Medical Center13681 Doctors Way, Fort Myers, FL 33912 · Lee CountyPhone(239) 424-1503
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William A. Erwin is affiliated with 4 sites of care and 3 medical groups
Dr. Erwin's primary practice is Gulf Coast Medical Center in Fort Myers, Florida. The medical group on file is HealthPark Medical Center. Dmand AI also links Dr. Erwin to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William A. Erwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Erwin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gulf Coast Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William A. Erwin is one of 934 pulmonologists in Florida
Pulmonary disease is Dr. Erwin's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dmand AI has Dr. Erwin's licenses on file in 4 states: Florida, North Carolina, Georgia and Louisiana.
Specialties and state licenses
- Pulmonary disease, FloridaPrimary
- North Carolina license
- Georgia license
- Specialist, Louisiana
Pulmonologists near Dr. Erwin
Counts of pulmonologists 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. William A. Erwin billed Medicare for 220 services in 2024
CMS data shows 220 Medicare services from Dr. Erwin across 5 procedure codes in 2024, for 106 Medicare patients. Medicare paid $16,361 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Erwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4242024: 22048%
Dr. Erwin compared with the Florida median for pulmonologists, 2024
- Dr. Erwin
- Florida median
- Medicare services
- 220vs 1,00278% below
- Medicare patients
- 106vs 40874% below
- Part D claims
- 13vs 63798% below
Medians across 895 pulmonologists in Florida with Dmand AI profiles that report each measure.
Dr. Erwin's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Erwin and other pulmonologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William A. Erwin treated 106 Medicare patients in 2024, average age 77
CMS counts 106 Medicare patients who saw Dr. Erwin in 2024. The largest group is 75 to 84, with 38 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 3.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Erwin's median patient age at 64, with 47% women.
Dr. Erwin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Erwin's Medicare patients by sex, 2024
- Women4845%
- Men5855%
Chronic conditions among Dr. Erwin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD72%
- Heart failure63%
- Arthritis61%
- Ischemic heart disease60%
- Chronic kidney disease55%
- Mood disorders53%
Share of Medicare patients with each condition. A patient can have several.
Dr. Erwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William A. Erwin wrote 13 Medicare Part D claims in 2021
In 2021, Dr. Erwin wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $109 in total drug cost. In 2020, CMS named 15 claims across 1 drug.
Dr. Erwin's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 152021: 1313%
Drugs named by CMS: 1 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. William A. Erwin received $6,575 in industry payments from 2016 to 2021
CMS Open Payments shows 332 general payments to Dr. Erwin from 33 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 86% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $810.
General payments to Dr. Erwin by program year, 2016 to 2021
General payments to Dr. Erwin by kind, 2016 to 2021
- Food and beverage$5,68086%
- Travel and lodging$84813%
- Education$280%
- Speaker and faculty fees$190%
Companies that paid Dr. Erwin the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William A. Erwin has 1 award and honors on record
Dmand AI lists 1 award for Dr. Erwin, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Erwin
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. William A. Erwin graduated from LSU Health Sciences Center New Orleans - School of Medicine
Dr. Erwin graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. William A. Erwin accepts plans from 8 insurance carriers
Dr. Erwin is in network with 8 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- United Healthcare
- Cigna
- CMS Medicare
- Elevance
- NC State Medicaid
- RI State Medicaid
Plan types Dr. Erwin accepts, by number of carriers
- HMO5
- Medicare5
- PPO4
- POS3
- EPO2
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. William A. Erwin'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. William A. Erwin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William A. Erwin's NPI number?
Dr. William A. Erwin's NPI number is 1538154158. It was assigned on September 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William A. Erwin?
Dr. William A. Erwin is a pulmonologist in Fort Myers, Florida. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. William A. Erwin practice?
Dr. Erwin practices at 13681 Doctors Way, Fort Myers, FL 33912. Dr. Erwin's primary practice is Gulf Coast Medical Center in Fort Myers, Florida. Dmand AI also links Dr. Erwin to 3 group practices and clinics and 2 medical groups.
What is Dr. William A. Erwin's office phone number?
The practice phone on file for Dr. Erwin is (239) 424-1503.
What is Dr. William A. Erwin's medical license number?
Dr. Erwin's Florida license number on file is ME148126, one of the licenses on file in 4 states.
Which states has Dr. William A. Erwin been licensed in?
Dmand AI has state licenses on file for Dr. Erwin in Florida (2020 to 2025), North Carolina (2009 to 2024), Georgia (1990 to 2022) and Louisiana (1988 to 2010).
What medical group is Dr. William A. Erwin part of?
Dr. Erwin is linked to HealthPark Medical Center. Dmand AI links Dr. Erwin to 2 more medical groups.
Does Dr. William A. Erwin accept Medicare?
Yes. CMS data shows Dr. Erwin billed Medicare for 220 services in 2024.
How many Medicare patients does Dr. William A. Erwin see?
CMS counts 106 Medicare patients who saw Dr. Erwin in 2024, with an average age of 77.
What services does Dr. William A. Erwin bill to Medicare?
In 2024, Dr. Erwin's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99222).
Show 5 more questionsShow fewer questions
Where did Dr. William A. Erwin go to medical school?
Dr. Erwin graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1988.
What drugs does Dr. William A. Erwin prescribe most?
In 2021 Medicare Part D data, Dr. Erwin's most prescribed drugs by claims were Montelukast Sodium.
Has Dr. William A. Erwin received payments from drug or device companies?
CMS Open Payments shows $6,575 in general payments to Dr. Erwin from 33 companies from 2016 to 2021. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. William A. Erwin been practicing?
Dr. Erwin graduated from medical school in 1988, 38 years ago.
What insurance does Dr. William A. Erwin accept?
Dr. Erwin is in network with 8 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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