Dr. Mary Olender, MD
- Medicare services, 2024
- 383
- Medicare patients, 2024
- 198
- Part D claims, 2024
- 423
- Hospital affiliations
- 1
- Industry payments
- $3,245
- Practice address
- 23101 W Sherman Pl, West Hills, CA 91307
- Practice phone
- Call (818) 887-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mary Olender MD Inc
West Hills, California
Find Dr. Olender'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. Mary Olender is an OB-GYN in West Hills, California
Dr. Olender practices at Mary Olender MD Inc in West Hills, California.
Dr. Olender's NPI, 1922199504, was assigned on September 27, 2006. Dr. Olender graduated from St. George's University School of Medicine in 2002. Dr. Olender holds California license A97245.
- NPI
- 1922199504NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385643121
- NPI enumeration date
- September 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 887-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Olender practices at Mary Olender MD Inc in West Hills, California
Dr. Olender's primary practice is Mary Olender MD Inc, at 23101 W Sherman Pl, West Hills, CA 91307 in Los Angeles County. The practice phone is (818) 887-5000.
- Mary Olender MD Inc23101 W Sherman Pl, West Hills, CA 91307 · Los Angeles CountyPhone(818) 887-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mary Olender is affiliated with 4 sites of care and 2 medical groups
Dr. Olender's primary practice is Mary Olender MD Inc in West Hills, California. Dr. Olender is also affiliated with UCLA West Valley Medical Center. The medical group on file is Ob Hospitalist Group. Dmand AI also links Dr. Olender to 2 more group practices and clinics and 1 medical group, 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. Mary Olender's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olender practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary Olender MD Inc | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mary Olender is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Olender's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Olender is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Olender's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists menopause, ovarian cyst, pelvic prolapse, UTI and vaginal infection among the conditions Dr. Olender treats.
OB-GYNs near Dr. Olender
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. Mary Olender billed Medicare for 383 services in 2024
CMS data shows 383 Medicare services from Dr. Olender across 5 procedure codes in 2024, for 198 Medicare patients. Medicare paid $36,406 for them. Every service was in an office.
Dr. Olender's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2752024: 30511%
- Surgery
- 2023: 02024: 41
- Other services
- 2023: 272024: 3737%
Dr. Olender compared with the California median for OB-GYNs, 2024
- Dr. Olender
- California median
- Medicare services
- 383vs 586.6 times
- Medicare patients
- 198vs 523.8 times
- Part D claims
- 280vs 358.0 times
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Olender'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.
Need commercial claims for Dr. Olender?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Olender and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Olender treated 198 Medicare patients in 2024, average age 72
CMS counts 198 Medicare patients who saw Dr. Olender in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 38% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Olender's median patient age at 45, with 99% women.
Dr. Olender's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Olender's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis70%
- Osteoporosis42%
- Diabetes41%
- Anxiety38%
- Ischemic heart disease37%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Olender's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Olender wrote 423 Medicare Part D claims in 2024
In 2024, Dr. Olender wrote 423 Medicare Part D claims for 150 patients. 86% of them were for generic drugs. CMS names the drug for 280 of them, across 11 drugs with 11 or more claims each, at $27,660 in total drug cost. In 2023, CMS named 112 claims across 4 drugs.
Dr. Olender's Part D claims by kind of drug, 2024
- Generic363 claims86%
- Brand-name60 claims14%
Dr. Olender'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. Olender's Part D claims, 2024
- Antibiotics6%25 of 423 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: 1122024: 280150%
Drugs named by CMS: 11 in 2024, 4 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. Mary Olender takes part in Medicare
Dr. Olender accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mary Olender received $3,245 in industry payments from 2016 to 2025
CMS Open Payments shows 229 general payments to Dr. Olender from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $1,016.
General payments to Dr. Olender by program year, 2016 to 2025
General payments to Dr. Olender by kind, 2016 to 2025
- Food and beverage$3,13597%
- Education$1103%
Companies that paid Dr. Olender 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. Mary Olender graduated from St. George's University School of Medicine
Dr. Olender graduated from St. George's University School of Medicine in 2002.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Mary Olender accepts plans from 12 insurance carriers
Dr. Olender is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- United Healthcare
- +4 more carriersWith a free account
Plan types Dr. Olender accepts, by number of carriers
- Medicare9
- PPO8
- HMO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mary Olender'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)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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Mary Olender
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. Mary Olender's NPI number?
Dr. Mary Olender's NPI number is 1922199504. It was assigned on September 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Olender?
Dr. Mary Olender is an OB-GYN in West Hills, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Mary Olender practice?
Dr. Olender practices at 23101 W Sherman Pl, West Hills, CA 91307. Dr. Olender's primary practice is Mary Olender MD Inc in West Hills, California. Dmand AI also links Dr. Olender to 2 group practices and clinics and 1 medical group.
What is Dr. Mary Olender's office phone number?
The practice phone on file for Dr. Olender is (818) 887-5000.
What is Dr. Mary Olender's medical license number?
Dr. Olender holds California license A97245, one of the licenses on file in 2 states.
Which states has Dr. Mary Olender been licensed in?
Dmand AI has state licenses on file for Dr. Olender in California (2006 to 2026) and Pennsylvania (2002 to 2006).
Which hospitals is Dr. Mary Olender affiliated with?
Dr. Olender is affiliated with UCLA West Valley Medical Center.
What medical group is Dr. Mary Olender part of?
Dr. Olender is linked to Ob Hospitalist Group. Dmand AI links Dr. Olender to 1 more medical group.
Does Dr. Mary Olender accept Medicare?
Yes. CMS data shows Dr. Olender billed Medicare for 383 services in 2024, and Dr. Olender accepts Medicare assignment.
How many Medicare patients does Dr. Mary Olender see?
CMS counts 198 Medicare patients who saw Dr. Olender in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
Is Dr. Mary Olender board certified?
Yes. Dr. Olender is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Mary Olender bill to Medicare?
In 2024, Dr. Olender's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: female reproductive system (57160).
Where did Dr. Mary Olender go to medical school?
Dr. Olender graduated from St. George's University School of Medicine in 2002.
What drugs does Dr. Mary Olender prescribe most?
In 2024 Medicare Part D data, Dr. Olender's most prescribed drugs by claims were Estradiol, Fluconazole and Premarin.
Has Dr. Mary Olender received payments from drug or device companies?
CMS Open Payments shows $3,245 in general payments to Dr. Olender from 34 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Mary Olender been practicing?
Dr. Olender graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Mary Olender accept?
Dr. Olender is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to obstetrics and gynecology practices?
See OB-GYNs in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card