John W. Sieber II, PA/AA
- Medicare patients, 2024
- 140
- Hospital affiliations
- 1
- Industry payments
- $40
- Medical groups
- 2
- State license
- 1
- Practice address
- 895 Canton Road, Bldg 200, Suite 300, Marietta, GA 30060
- Practice phone
- Call (770) 427-8111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marietta Eye Surgery Center
Surgery Center - Medicare-Certified · Marietta, Georgia
Find John Sieber'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.
John W. Sieber II is an anesthesiologist assistant in Marietta, Georgia
John Sieber practices at Marietta Eye Surgery Center in Marietta, Georgia.
John Sieber's NPI, 1386681492, was assigned on May 31, 2006. John Sieber holds Georgia license 003189.
- NPI
- 1386681492NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466430145
- NPI enumeration date
- May 31, 2006
- NPI status
- Active
- Practice phone
- (770) 427-8111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John W. Sieber II practices at Marietta Eye Surgery Center in Marietta, Georgia
John Sieber's primary practice is Marietta Eye Surgery Center, at 895 Canton Road, Bldg 200, Suite 300, Marietta, GA 30060. The practice phone is (770) 427-8111.
- Marietta Eye Surgery Center895 Canton Road, Bldg 200, Suite 300, Marietta, GA 30060Phone(770) 427-8111
Source: Dmand AI Affiliation Data
John W. Sieber II is affiliated with 2 sites of care and 2 medical groups
John Sieber's primary practice is Marietta Eye Surgery Center in Marietta, Georgia. John Sieber is also affiliated with Wellstar Cobb Medical Center. The medical group on file is DeKalb Anesthesiology Associates. Dmand AI also links John Sieber to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John W. Sieber II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Sieber practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marietta Eye Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John W. Sieber II is one of 1,347 anesthesiologist assistants in Georgia
Anesthesiologist assistant is John Sieber's primary specialty in the NPI Registry, under taxonomy code 367H00000X. John Sieber is licensed in Georgia.
Specialties and state licenses
- Anesthesiologist assistant, GeorgiaPrimary
Anesthesiologist assistants near John Sieber
Counts of anesthesiologist assistants 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
John W. Sieber II treated 140 Medicare patients in 2024, average age 72
CMS counts 140 Medicare patients who saw John Sieber in 2024. The largest group is 65 to 74, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Sieber's median patient age at 70, with 57% women.
John Sieber's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Sieber's Medicare patients by sex, 2024
- Women8057%
- Men6043%
Chronic conditions among John Sieber's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes36%
- Ischemic heart disease36%
- Chronic kidney disease30%
- Anxiety28%
- Heart failure25%
Share of Medicare patients with each condition. A patient can have several.
John Sieber's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John W. Sieber II received $40 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Sieber from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $20.
Companies that paid John Sieber the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John W. Sieber II'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 John W. Sieber II
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John W. Sieber II's NPI number?
John W. Sieber II's NPI number is 1386681492. It was assigned on May 31, 2006, and it is active in the NPI Registry.
What does John W. Sieber II specialize in?
John W. Sieber II is an anesthesiologist assistant in Marietta, Georgia. The primary specialty in the NPI Registry is Anesthesiologist Assistant (taxonomy code 367H00000X).
Where does John W. Sieber II practice?
John Sieber practices at 895 Canton Road, Bldg 200, Suite 300, Marietta, GA 30060. John Sieber's primary practice is Marietta Eye Surgery Center in Marietta, Georgia. Dmand AI also links John Sieber to 1 medical group.
What is John W. Sieber II's office phone number?
The practice phone on file for John Sieber is (770) 427-8111.
What is John W. Sieber II's medical license number?
John Sieber holds Georgia license 003189.
Which hospitals is John W. Sieber II affiliated with?
John Sieber is affiliated with Wellstar Cobb Medical Center.
What medical group is John W. Sieber II part of?
John Sieber is linked to DeKalb Anesthesiology Associates. Dmand AI links John Sieber to 1 more medical group.
How many Medicare patients does John W. Sieber II see?
CMS counts 140 Medicare patients who saw John Sieber in 2024, with an average age of 72.
Has John W. Sieber II received payments from drug or device companies?
CMS Open Payments shows $40 in general payments to John Sieber from 2 companies from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has John W. Sieber II been practicing?
John Sieber graduated from medical school in 1998, 28 years ago.
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