Dr. John C. Siegle Jr., MD
- Medicare services, 2021
- 76
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 394
- Hospital affiliations
- 2
- Industry payments
- $85,076
- Practice address
- 807 N Monte Vista St, Ada, OK 74820
- Practice phone
- Call (580) 332-8855
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Clinic at Central Oklahoma Family Medical Center (N Monte Vista St)
FQHC - Main Site · Ada, Oklahoma
Find Dr. Siegle'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. John C. Siegle Jr. is an OB-GYN in Ada, Oklahoma
Dr. Siegle practices at The Clinic at Central Oklahoma Family Medical Center (N Monte Vista St) in Ada, Oklahoma.
Dr. Siegle's NPI, 1710073044, was assigned on October 5, 2006. Dr. Siegle graduated from Jefferson Medical College of Thomas Jefferson University in 1981. Dr. Siegle holds Oklahoma license 17253.
- NPI
- 1710073044NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688587751
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (580) 332-8855
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John C. Siegle Jr. practices at The Clinic at Central Oklahoma Family Medical Center (N Monte Vista St) in Ada, Oklahoma
Dr. Siegle's primary practice is The Clinic at Central Oklahoma Family Medical Center (N Monte Vista St), at 807 N Monte Vista St, Ada, OK 74820 in Pontotoc County. The practice phone is (580) 332-8855.
- The Clinic at Central Oklahoma Family Medical Center (N Monte Vista St)807 N Monte Vista St, Ada, OK 74820 · Pontotoc CountyPhone(580) 332-8855
Source: Dmand AI Affiliation Data
Dr. John C. Siegle Jr. is affiliated with 4 sites of care and 2 medical groups
Dr. Siegle's primary practice is The Clinic at Central Oklahoma Family Medical Center (N Monte Vista St) in Ada, Oklahoma. Dr. Siegle is also affiliated with Mercy Hospital Ada. The medical group on file is The Clinic at Central Oklahoma Family Medical Center. Dmand AI also links Dr. Siegle to 1 more hospital, 1 community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John C. Siegle Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siegle practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Clinic at Central Oklahoma Family Medical Center (N Monte Vista St) | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John C. Siegle Jr. is one of 392 OB-GYNs in Oklahoma
Obstetrics and gynecology is Dr. Siegle's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Siegle is licensed in Oklahoma.
Specialties and state licenses
- Obstetrics and gynecology, OklahomaPrimary
OB-GYNs near Dr. Siegle
Counts of OB-GYNs 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. John C. Siegle Jr. billed Medicare for 76 services in 2021
CMS data shows 76 Medicare services from Dr. Siegle across 4 procedure codes in 2021, for 27 Medicare patients. Medicare paid $3,474 for them. Every service was in an office.
Dr. Siegle's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 3352021: 4487%
- Imaging
- 2020: 142021: 32129%
Dr. Siegle compared with the Oklahoma median for OB-GYNs, 2021
- Dr. Siegle
- Oklahoma median
- Medicare services
- 76vs 4955% above
- Medicare patients
- 27vs 3931% below
- Part D claims
- 199vs 395.1 times
Medians across 360 OB-GYNs in Oklahoma with Dmand AI profiles that report each measure.
Dr. Siegle's most billed Medicare procedure codes, 2021
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. Siegle and other OB-GYNs in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John C. Siegle Jr. treated 27 Medicare patients in 2024, average age 67
CMS counts 27 Medicare patients who saw Dr. Siegle in 2024. 74% of them have high cholesterol, and 67% have arthritis. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Siegle's median patient age at 37, with 99% women.
Chronic conditions among Dr. Siegle's Medicare patients, 2024
- High cholesterol74%
- Arthritis67%
- High blood pressure67%
- Mood disorders48%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Siegle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John C. Siegle Jr. wrote 394 Medicare Part D claims in 2024
In 2024, Dr. Siegle wrote 394 Medicare Part D claims for 93 patients. 82% of them were for generic drugs. CMS names the drug for 199 of them, across 7 drugs with 11 or more claims each, at $18,520 in total drug cost. In 2023, CMS named 307 claims across 13 drugs.
Dr. Siegle's Part D claims by kind of drug, 2024
- Generic325 claims82%
- Brand-name and other69 claims18%
Dr. Siegle'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. Siegle's Part D claims, 2024
- Opioids4%16 of 394 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: 3072024: 19935%
Drugs named by CMS: 7 in 2024, 13 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. John C. Siegle Jr. takes part in Medicare
Dr. Siegle accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John C. Siegle Jr. received $85,076 in industry payments from 2016 to 2025
CMS Open Payments shows 253 general payments to Dr. Siegle from 30 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 74% of the total. Merck Sharp & Dohme Corporation paid the most, $61,815.
General payments to Dr. Siegle by program year, 2016 to 2025
General payments to Dr. Siegle by kind, 2016 to 2025
- Speaker and faculty fees$62,62574%
- Compensation for serving as faculty or as a speaker for a medical education program$15,15818%
- Travel and lodging$4,1775%
- Food and beverage$2,9874%
- Education$1290%
Companies that paid Dr. Siegle the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John C. Siegle Jr. graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Siegle graduated from Jefferson Medical College of Thomas Jefferson University in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John C. Siegle Jr.'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 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)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)Doctors and Clinicians Utilization Data (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. John C. Siegle Jr.
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. John C. Siegle Jr.'s NPI number?
Dr. John C. Siegle Jr.'s NPI number is 1710073044. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Siegle Jr.?
Dr. John C. Siegle Jr. is an OB-GYN in Ada, Oklahoma. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. John C. Siegle Jr. practice?
Dr. Siegle practices at 807 N Monte Vista St, Ada, OK 74820. Dr. Siegle's primary practice is The Clinic at Central Oklahoma Family Medical Center (N Monte Vista St) in Ada, Oklahoma. Dmand AI also links Dr. Siegle to 1 hospital, 1 community health center and 1 medical group.
What is Dr. John C. Siegle Jr.'s office phone number?
The practice phone on file for Dr. Siegle is (580) 332-8855.
What is Dr. John C. Siegle Jr.'s medical license number?
Dr. Siegle holds Oklahoma license 17253.
Which hospitals is Dr. John C. Siegle Jr. affiliated with?
Dr. Siegle is affiliated with Mercy Hospital Ada. Dmand AI links Dr. Siegle to 1 more hospital.
What medical group is Dr. John C. Siegle Jr. part of?
Dr. Siegle is linked to The Clinic at Central Oklahoma Family Medical Center. Dmand AI links Dr. Siegle to 1 more medical group.
Does Dr. John C. Siegle Jr. accept Medicare?
Yes. CMS data shows Dr. Siegle billed Medicare for 76 services in 2021, and Dr. Siegle accepts Medicare assignment.
How many Medicare patients does Dr. John C. Siegle Jr. see?
CMS counts 27 Medicare patients who saw Dr. Siegle in 2024, with an average age of 67.
What services does Dr. John C. Siegle Jr. bill to Medicare?
In 2021, Dr. Siegle's most billed Medicare services were office visit, established patient (99213), ultrasound (76830) and nursing facility care (99308).
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Where did Dr. John C. Siegle Jr. go to medical school?
Dr. Siegle graduated from Jefferson Medical College of Thomas Jefferson University in 1981.
What drugs does Dr. John C. Siegle Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Siegle's most prescribed drugs by claims were Estradiol, Progesterone and Oxybutynin Chloride.
Has Dr. John C. Siegle Jr. received payments from drug or device companies?
CMS Open Payments shows $85,076 in general payments to Dr. Siegle from 30 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. John C. Siegle Jr. been practicing?
Dr. Siegle graduated from medical school in 1981, 45 years ago.
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