Dr. Margaret E. Bates, MD
- Medicare services, 2024
- 79
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 148
- MIPS score, 2024
- 79
- Hospital affiliations
- 2
- Practice address
- 1245 W Wilshire Blvd, Los Angeles, CA 90017
- Practice phone
- Call (213) 482-2770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
PIH Health Physicians
Los Angeles, California
Find Dr. Bates' professional email, personal email and mobile number
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Dr. Margaret E. Bates is an OB-GYN in Los Angeles, California
Dr. Bates practices at PIH Health Physicians in Los Angeles, California.
Dr. Bates' NPI, 1407956527, was assigned on September 25, 2006. Dr. Bates graduated from Keck School of Medicine of USC in 1977. Dr. Bates holds California license G50676.
- NPI
- 1407956527NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496981755
- NPI enumeration date
- September 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 482-2770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaret E. Bates practices at PIH Health Physicians in Los Angeles, California
Dr. Bates' primary practice is PIH Health Physicians, at 1245 W Wilshire Blvd, Los Angeles, CA 90017 in Los Angeles County. The practice phone is (213) 482-2770.
- PIH Health Physicians1245 W Wilshire Blvd, Los Angeles, CA 90017 · Los Angeles CountyPhone(213) 482-2770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Margaret E. Bates is affiliated with 5 sites of care and 2 medical groups
Dr. Bates' primary practice is PIH Health Physicians in Los Angeles, California. Dr. Bates is also affiliated with Cedars-Sinai Medical Center. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Bates to 1 more hospital, 2 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. Margaret E. Bates' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bates practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Physicians | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Margaret E. Bates is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Bates' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Bates is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Bates 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. Bates treats.
OB-GYNs near Dr. Bates
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. Margaret E. Bates billed Medicare for 79 services in 2024
CMS data shows 79 Medicare services from Dr. Bates across 3 procedure codes in 2024, for 72 Medicare patients. Medicare paid $3,662 for them. Every service was in an office.
Dr. Bates' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 512024: 4414%
- Office and hospital visits
- 2023: 442024: 3520%
Dr. Bates compared with the California median for OB-GYNs, 2024
- Dr. Bates
- California median
- Medicare services
- 79vs 5836% above
- Medicare patients
- 72vs 5238% above
- Part D claims
- 48vs 3537% above
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Bates' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bates and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margaret E. Bates treated 72 Medicare patients in 2024, average age 75
CMS counts 72 Medicare patients who saw Dr. Bates in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.76, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bates' median patient age at 62, with 98% women.
Dr. Bates' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Bates' Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis54%
- Osteoporosis36%
- Mood disorders21%
- Depression19%
- Ischemic heart disease19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bates' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Margaret E. Bates wrote 148 Medicare Part D claims in 2024
In 2024, Dr. Bates wrote 148 Medicare Part D claims for 51 patients. 80% of them were for generic drugs. CMS names the drug for 48 of them, across 2 drugs with 11 or more claims each, at $5,235 in total drug cost. In 2023, CMS named 59 claims across 3 drugs.
Dr. Bates' Part D claims by kind of drug, 2024
- Generic119 claims80%
- Brand-name29 claims20%
Dr. Bates' 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: 592024: 4819%
Drugs named by CMS: 2 in 2024, 3 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
Dr. Margaret E. Bates scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Bates for performance year 2024, reported as part of a group. Dr. Bates accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bates as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Bates' MIPS scores, performance year 2024
- 79of 100Final score
- 58.7of 100Quality
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Margaret E. Bates received $2,006 in industry payments from 2016 to 2025
CMS Open Payments shows 91 general payments to Dr. Bates from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Abbvie Inc. paid the most, $329.
General payments to Dr. Bates by program year, 2016 to 2025
General payments to Dr. Bates by kind, 2016 to 2025
- Food and beverage$1,92896%
- Education$784%
Companies that paid Dr. Bates 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. Margaret E. Bates has 1 award and honors on record
Dmand AI lists 1 award for Dr. Bates.
Awards and honors for Dr. Bates
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Margaret E. Bates graduated from Keck School of Medicine of USC
Dr. Bates graduated from Keck School of Medicine of USC in 1977. Dr. Bates is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Margaret E. Bates accepts plans from 13 insurance carriers
Dr. Bates is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- +5 more carriersWith a free account
Plan types Dr. Bates accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Margaret E. Bates'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)Clinician Public Reporting: Overall MIPS Performance (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. Margaret E. Bates
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. Margaret E. Bates' NPI number?
Dr. Margaret E. Bates' NPI number is 1407956527. It was assigned on September 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret E. Bates?
Dr. Margaret E. Bates is an OB-GYN in Los Angeles, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Margaret E. Bates practice?
Dr. Bates practices at 1245 W Wilshire Blvd, Los Angeles, CA 90017. Dr. Bates' primary practice is PIH Health Physicians in Los Angeles, California. Dmand AI also links Dr. Bates to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Margaret E. Bates' office phone number?
The practice phone on file for Dr. Bates is (213) 482-2770.
What is Dr. Margaret E. Bates' medical license number?
Dr. Bates holds California license G50676.
Which hospitals is Dr. Margaret E. Bates affiliated with?
Dr. Bates is affiliated with Cedars-Sinai Medical Center. Dmand AI links Dr. Bates to 1 more hospital.
What medical group is Dr. Margaret E. Bates part of?
Dr. Bates is linked to PIH Health Physicians. Dmand AI links Dr. Bates to 1 more medical group.
Does Dr. Margaret E. Bates accept Medicare?
Yes. CMS data shows Dr. Bates billed Medicare for 79 services in 2024, and Dr. Bates accepts Medicare assignment.
Does Dr. Margaret E. Bates offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bates as offering telehealth services.
What is Dr. Margaret E. Bates' MIPS score?
Dr. Bates' MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Margaret E. Bates see?
CMS counts 72 Medicare patients who saw Dr. Bates in 2024, with an average age of 75.
Is Dr. Margaret E. Bates board certified?
Yes. Dr. Bates is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Margaret E. Bates bill to Medicare?
In 2024, Dr. Bates' most billed Medicare services were medicare service (G0101), office visit, established patient (99212) and office visit, established patient (99213).
Where did Dr. Margaret E. Bates go to medical school?
Dr. Bates graduated from Keck School of Medicine of USC in 1977.
What drugs does Dr. Margaret E. Bates prescribe most?
In 2024 Medicare Part D data, Dr. Bates' most prescribed drugs by claims were Estradiol and Estradiol (Twice Weekly).
Has Dr. Margaret E. Bates received payments from drug or device companies?
CMS Open Payments shows $2,006 in general payments to Dr. Bates from 24 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Margaret E. Bates been practicing?
Dr. Bates graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Margaret E. Bates accept?
Dr. Bates is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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