Dr. Stephen R. Wells, MD
- Medicare services, 2024
- 172
- Medicare patients, 2024
- 98
- Part D claims, 2024
- 57
- Hospital affiliations
- 2
- Industry payments
- $5,929
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wells' professional email, personal email and mobile number
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Dr. Stephen R. Wells is an OB-GYN in Walnut Creek, California
Dr. Wells practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.
Dr. Wells' NPI, 1659385151, was assigned on July 28, 2006. Dr. Wells graduated from LSU Health Shreveport School of Medicine in 1990. Dr. Wells holds California license A49731.
- NPI
- 1659385151NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385713882
- NPI enumeration date
- July 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 939-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen R. Wells practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California
Dr. Wells' primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.
- John Muir Medical Center, Walnut Creek1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-3000
Source: Dmand AI Affiliation Data
Dr. Stephen R. Wells is affiliated with 4 sites of care and 2 medical groups
Dr. Wells' primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. The medical group on file is BASS Medical Group. Dmand AI also links Dr. Wells to 1 more hospital, 1 physician office, 1 group practice or clinic 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. Stephen R. Wells' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wells practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Center, Walnut Creek | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen R. Wells is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Wells' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Wells is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Wells is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists menopause and vaginal infection among the conditions Dr. Wells treats.
OB-GYNs near Dr. Wells
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. Stephen R. Wells billed Medicare for 172 services in 2024
CMS data shows 172 Medicare services from Dr. Wells across 5 procedure codes in 2024, for 98 Medicare patients. Medicare paid $12,062 for them. Every service was in an office.
Dr. Wells' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 742024: 9934%
- Office and hospital visits
- 2023: 672024: 5813%
- Imaging
- 2023: 02024: 15
Dr. Wells compared with the California median for OB-GYNs, 2024
- Dr. Wells
- California median
- Medicare services
- 172vs 583.0 times
- Medicare patients
- 98vs 5288% above
- Part D claims
- 21vs 3540% below
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Wells' 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.
Need commercial claims for Dr. Wells?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wells and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen R. Wells treated 98 Medicare patients in 2024, average age 69
CMS counts 98 Medicare patients who saw Dr. Wells in 2024. The largest group is 65 to 74, with 67 patients. 70% of them have high cholesterol, and 38% have high blood pressure. Their average risk score is 0.58, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wells' median patient age at 40, with 97% women.
Dr. Wells' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Wells' Medicare patients, 2024
- High cholesterol70%
- High blood pressure38%
- Arthritis36%
- Osteoporosis32%
- Anxiety20%
- Mood disorders11%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wells' 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
- Women97%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen R. Wells wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Wells wrote 57 Medicare Part D claims for 23 patients. 93% of them were for generic drugs. CMS names the drug for 21 of them, across 1 drug with 11 or more claims each, at $1,617 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Dr. Wells' Part D claims by kind of drug, 2024
- Generic53 claims93%
- Brand-name and other4 claims7%
Dr. Wells' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 132024: 2162%
Drugs named by CMS: 1 in 2024, 1 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. Stephen R. Wells takes part in Medicare
Dr. Wells 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. Stephen R. Wells received $5,929 in industry payments from 2016 to 2025
CMS Open Payments shows 268 general payments to Dr. Wells from 40 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $1,558.
General payments to Dr. Wells by program year, 2016 to 2025
General payments to Dr. Wells by kind, 2016 to 2025
- Food and beverage$5,82298%
- Education$1062%
Companies that paid Dr. Wells 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. Stephen R. Wells has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Wells.
Awards and honors for Dr. Wells
- Undated
- ACOG Fellow
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Stephen R. Wells graduated from LSU Health Shreveport School of Medicine
Dr. Wells graduated from LSU Health Shreveport School of Medicine in 1990. Dr. Wells is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Stephen R. Wells accepts plans from 7 insurance carriers
Dr. Wells is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- Molina
Plan types Dr. Wells accepts, by number of carriers
- Medicare7
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen R. Wells'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) |
| 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. Stephen R. Wells
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. Stephen R. Wells' NPI number?
Dr. Stephen R. Wells' NPI number is 1659385151. It was assigned on July 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen R. Wells?
Dr. Stephen R. Wells is an OB-GYN in Walnut Creek, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Stephen R. Wells practice?
Dr. Wells practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Wells' primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Wells to 1 hospital, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Stephen R. Wells' office phone number?
The practice phone on file for Dr. Wells is (925) 939-3000.
What is Dr. Stephen R. Wells' medical license number?
Dr. Wells holds California license A49731.
Which hospitals is Dr. Stephen R. Wells affiliated with?
Dr. Wells practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dmand AI links Dr. Wells to 1 more hospital.
What medical group is Dr. Stephen R. Wells part of?
Dr. Wells is linked to BASS Medical Group. Dmand AI links Dr. Wells to 1 more medical group.
Does Dr. Stephen R. Wells accept Medicare?
Yes. CMS data shows Dr. Wells billed Medicare for 172 services in 2024, and Dr. Wells accepts Medicare assignment.
How many Medicare patients does Dr. Stephen R. Wells see?
CMS counts 98 Medicare patients who saw Dr. Wells in 2024, with an average age of 69.
Is Dr. Stephen R. Wells board certified?
Yes. Dr. Wells is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Show 6 more questionsShow fewer questions
What services does Dr. Stephen R. Wells bill to Medicare?
In 2024, Dr. Wells' most billed Medicare services were medicare service (G0101), medicare temporary code (Q0091) and office visit, established patient (99213).
Where did Dr. Stephen R. Wells go to medical school?
Dr. Wells graduated from LSU Health Shreveport School of Medicine in 1990.
What drugs does Dr. Stephen R. Wells prescribe most?
In 2024 Medicare Part D data, Dr. Wells' most prescribed drugs by claims were Estradiol.
Has Dr. Stephen R. Wells received payments from drug or device companies?
CMS Open Payments shows $5,929 in general payments to Dr. Wells from 40 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Stephen R. Wells been practicing?
Dr. Wells graduated from medical school in 1990, 36 years ago.
What insurance does Dr. Stephen R. Wells accept?
Dr. Wells is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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