Cytochrome P-450 Enzyme SystemKineticsMetyrapone
Dr. Ronald Gene Weakley, MD
NPI1730136011
- Part D claims, 2019
- 16
- Publications
- 2
- Industry payments
- $291
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 1401 Spanos Ct Ste 124 Suite 124, Modesto, CA 95355-2814
- Practice phone
- Call (209) 525-3883
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lillian Shumate
Women's health practice · Modesto, California
Find Dr. Weakley's professional email, personal email and mobile number
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Dr. Ronald Gene Weakley is an OB-GYN in Modesto, California
Dr. Weakley practices at Lillian Shumate in Modesto, California.
Dr. Weakley's NPI, 1730136011, was assigned on May 30, 2006. Dr. Weakley graduated from Indiana University School Of Medicine in 1971. Dr. Weakley's California license number on file is C36554.
NPI and contact details
- NPI
- 1730136011NPI Registry (opens in a new tab)
- NPI enumeration date
- May 30, 2006
- NPI status
- Active
- Practice phone
- (209) 525-3883
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ronald Gene Weakley practices at Lillian Shumate in Modesto, California
Dr. Weakley's primary practice is Lillian Shumate, at 1401 Spanos Ct Ste 124 Suite 124, Modesto, CA 95355-2814. The practice phone is (209) 525-3883.
- Lillian Shumate1401 Spanos Ct Ste 124 Suite 124, Modesto, CA 95355-2814Phone(209) 525-3883
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ronald Gene Weakley is affiliated with 2 sites of care and 1 medical group
Dr. Weakley's primary practice is Lillian Shumate in Modesto, California. Dmand AI also links Dr. Weakley to 1 physician office and 1 medical group, each named with a free account.
Lillian ShumatePrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Ronald Gene Weakley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weakley practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lillian Shumate | 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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Dr. Ronald Gene Weakley is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Weakley's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Weakley is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Weakley has a license on file in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Weakley
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. Ronald Gene Weakley's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Dr. Weakley's median patient age at 40, with 100% women.
Dr. Weakley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Ronald Gene Weakley wrote 16 Medicare Part D claims in 2019
In 2019, Dr. Weakley wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $1,413 in total drug cost. In 2018, CMS named 15 claims across 1 drug.
Part D claims, 201916
Drugs named by CMS1
Total drug cost$1,413
Dr. Weakley's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 152019: 167%
Drugs named by CMS: 1 in 2019, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Ronald Gene Weakley has 2 publications on record
Dmand AI links 2 papers to Dr. Weakley. The most frequent topics are Cytochrome P-450 Enzyme System, Kinetics and Metyrapone.
Papers2
Topics Dr. Weakley writes about most
- Cytochrome P-450 Enzyme System
- Kinetics
- Metyrapone
- Microsomes
- Steroid Hydroxylases
- Testis
Recent publications by Dr. Weakley
Binding, CompetitiveCytochrome P-450 Enzyme SystemKinetics
See who Dr. Weakley researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weakley works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ronald Gene Weakley received $291 in industry payments from 2016 to 2018
CMS Open Payments shows 6 general payments to Dr. Weakley from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $126.
General payments to Dr. Weakley by program year, 2016 to 2018
Companies that paid Dr. Weakley the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ronald Gene Weakley has 1 award and honors on record
Dmand AI lists 1 award for Dr. Weakley.
Awards and honors for Dr. Weakley
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Ronald Gene Weakley graduated from Indiana University School Of Medicine
Dr. Weakley graduated from Indiana University School Of Medicine in 1971. Dr. Weakley is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald Gene Weakley'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 |
| 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. Ronald Gene Weakley
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. Ronald Gene Weakley's NPI number?
Dr. Ronald Gene Weakley's NPI number is 1730136011. It was assigned on May 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald Gene Weakley?
Dr. Ronald Gene Weakley is an OB-GYN in Modesto, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Ronald Gene Weakley practice?
Dr. Weakley practices at 1401 Spanos Ct Ste 124 Suite 124, Modesto, CA 95355-2814. Dr. Weakley's primary practice is Lillian Shumate in Modesto, California. Dmand AI also links Dr. Weakley to 1 physician office and 1 medical group.
What is Dr. Ronald Gene Weakley's office phone number?
The practice phone on file for Dr. Weakley is (209) 525-3883.
What is Dr. Ronald Gene Weakley's medical license number?
Dr. Weakley's California license number on file is C36554.
Is Dr. Ronald Gene Weakley board certified?
Yes. Dr. Weakley is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Ronald Gene Weakley go to medical school?
Dr. Weakley graduated from Indiana University School Of Medicine in 1971.
What drugs does Dr. Ronald Gene Weakley prescribe most?
In 2019 Medicare Part D data, Dr. Weakley's most prescribed drugs by claims were Estradiol.
Has Dr. Ronald Gene Weakley received payments from drug or device companies?
CMS Open Payments shows $291 in general payments to Dr. Weakley from 4 companies from 2016 to 2018. The largest total came from Abbvie Inc.
How long has Dr. Ronald Gene Weakley been practicing?
Dr. Weakley graduated from medical school in 1971, 55 years ago.
Does Dr. Ronald Gene Weakley do research?
Dmand AI links 2 publications to Dr. Weakley.
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