JAMA Netw Open
Dr. Merry Lynn Tetef, MD
- Medicare services, 2024
- 11,044
- Medicare patients, 2024
- 541
- Part D claims, 2024
- 270
- Publications
- 27
- MIPS score, 2024
- 88
- Practice address
- 1250 16th St, Santa Monica, CA 90404
- Practice phone
- Call (949) 472-0244
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Saddleback Outpatient Surgery Center Ltd
Santa Monica, California
Find Dr. Tetef'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. Merry Lynn Tetef is a hematologist and oncologist in Santa Monica, California
Dr. Tetef practices at Saddleback Outpatient Surgery Center Ltd in Santa Monica, California.
Dr. Tetef's NPI, 1194784785, was assigned on March 21, 2006. Dr. Tetef graduated from Harvard Medical School in 1987. Dr. Tetef holds California license G64196.
- NPI
- 1194784785NPI Registry (opens in a new tab)
- NPI enumeration date
- March 21, 2006
- NPI status
- Active
- Practice phone
- (949) 472-0244
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Merry Lynn Tetef practices at Saddleback Outpatient Surgery Center Ltd in Santa Monica, California
Dr. Tetef's primary practice is Saddleback Outpatient Surgery Center Ltd, at 1250 16th St, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (949) 472-0244.
- Saddleback Outpatient Surgery Center Ltd1250 16th St, Santa Monica, CA 90404 · Los Angeles CountyPhone(949) 472-0244
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Merry Lynn Tetef is affiliated with 2 sites of care and 1 medical group
Dr. Tetef's primary practice is Saddleback Outpatient Surgery Center Ltd in Santa Monica, California. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Tetef to 1 more group practice or clinic, 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. Merry Lynn Tetef's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tetef practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saddleback Outpatient Surgery Center Ltd | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Merry Lynn Tetef is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Tetef's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Tetef is board certified in medical oncology by the American Board of Internal Medicine. Dr. Tetef is licensed in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists breast cancer, chronic leukemia, colorectal cancer, lung cancer, neutropenia, prostate cancer and purpura and thrombocytopenia among the conditions Dr. Tetef treats.
Hematologists and oncologists near Dr. Tetef
Counts of hematologists and oncologists 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. Merry Lynn Tetef billed Medicare for 11,044 services in 2024
CMS data shows 11,044 Medicare services from Dr. Tetef across 21 procedure codes in 2024, for 541 Medicare patients. Medicare paid $251,314 for them. Every service was in an office.
Dr. Tetef's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 14,4732024: 8,88239%
- Tests and treatments
- 2023: 1,6862024: 71258%
- Office and hospital visits
- 2023: 1,2852024: 67048%
- Other services
- 2023: 3,2542024: 42487%
- Lab and pathology
- 2023: 4372024: 23446%
- Surgery
- 2023: 2212024: 12245%
Dr. Tetef compared with the California median for hematologists and oncologists, 2024
- Dr. Tetef
- California median
- Medicare services
- 11,044vs 93211.8 times
- Medicare patients
- 541vs 2252.4 times
- Part D claims
- 200vs 39449% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Tetef'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. Tetef?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tetef and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Merry Lynn Tetef treated 541 Medicare patients in 2024, average age 74
CMS counts 541 Medicare patients who saw Dr. Tetef in 2024. The largest group is 65 to 74, with 266 patients. 75% of them have cancer, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tetef's median patient age at 67, with 97% women.
Dr. Tetef's Medicare patients by age, 2024
Dr. Tetef's Medicare patients by sex, 2024
- Women51194%
- Men306%
Chronic conditions among Dr. Tetef's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure64%
- Arthritis48%
- Osteoporosis30%
- Anxiety22%
- Mood disorders21%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tetef's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women97%
- Men3%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Merry Lynn Tetef wrote 270 Medicare Part D claims in 2024
In 2024, Dr. Tetef wrote 270 Medicare Part D claims for 117 patients. 77% of them were for generic drugs. CMS names the drug for 200 of them, across 5 drugs with 11 or more claims each, at $487,712 in total drug cost. In 2023, CMS named 229 claims across 6 drugs.
Dr. Tetef's Part D claims by kind of drug, 2024
- Generic209 claims77%
- Brand-name61 claims23%
Dr. Tetef'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2292024: 20013%
Drugs named by CMS: 5 in 2024, 6 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. Merry Lynn Tetef scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Tetef for performance year 2024, reported as part of a group.
Dr. Tetef's MIPS scores, performance year 2024
- 88of 100Final score
- 79.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Merry Lynn Tetef has 27 publications on record
Dmand AI links 27 papers to Dr. Tetef, published from 2003 to 2024. 2004 was the busiest year, with 2. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Breast Neoplasms and Infusions, Intravenous. Dr. Tetef has published most often in Cancer Chemother Pharmacol. Dr. Tetef's most frequent co-authors are Lucille Leong, MD, Kim A. Margolin, MD and Robert Morgan, MD.
Dr. Tetef's papers by year, 2003 to 2024
Topics Dr. Tetef writes about most
- Antineoplastic Combined Chemotherapy Protocols
- Breast Neoplasms
- Infusions, Intravenous
- Antineoplastic Agents
- Cisplatin
- Granulocyte Colony-Stimulating Factor
- Etoposide
- Carboplatin
Dr. Tetef's most frequent co-authors
- Lucille Leong, MD22 shared papers
- Kim A. Margolin, MD22 shared papers
- Robert Morgan, MD21 shared papers
Recent publications by Dr. Tetef
Cancer Chemother Pharmacol
Cancer Chemother Pharmacol
See who Dr. Tetef researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tetef works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Merry Lynn Tetef received $27 in industry payments from 2016 to 2021
CMS Open Payments shows 2 general payments to Dr. Tetef from 2 drug and device companies from 2016 to 2021. Education make up the largest share, 100% of the total. Pfizer Inc. paid the most, $15.
General payments to Dr. Tetef by program year, 2016 to 2021
Companies that paid Dr. Tetef the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Merry Lynn Tetef has 5 awards and honors on record
Dmand AI lists 5 awards for Dr. Tetef, most recently Top Doctors:LA Area in 2013.
Awards and honors for Dr. Tetef
- 2013
- Top Doctors:LA Area
- Top Doctors:San Diego Area
- 2012
- Top Doctors:Southern California
- Undated
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Merry Lynn Tetef graduated from Harvard Medical School
Dr. Tetef graduated from Harvard Medical School in 1987. Dr. Tetef is a member of ASCO.
- Medical school
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Merry Lynn Tetef accepts plans from 5 insurance carriers
Dr. Tetef is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. 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
Plan types Dr. Tetef accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Merry Lynn Tetef'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 | Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Merry Lynn Tetef
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. Merry Lynn Tetef's NPI number?
Dr. Merry Lynn Tetef's NPI number is 1194784785. It was assigned on March 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Merry Lynn Tetef?
Dr. Merry Lynn Tetef is a hematologist and oncologist in Santa Monica, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Merry Lynn Tetef practice?
Dr. Tetef practices at 1250 16th St, Santa Monica, CA 90404. Dr. Tetef's primary practice is Saddleback Outpatient Surgery Center Ltd in Santa Monica, California. Dmand AI also links Dr. Tetef to 1 group practice or clinic.
What is Dr. Merry Lynn Tetef's office phone number?
The practice phone on file for Dr. Tetef is (949) 472-0244.
What is Dr. Merry Lynn Tetef's medical license number?
Dr. Tetef holds California license G64196.
What medical group is Dr. Merry Lynn Tetef part of?
Dr. Tetef is linked to UCLA Medical Group.
Does Dr. Merry Lynn Tetef accept Medicare?
Yes. CMS data shows Dr. Tetef billed Medicare for 11,044 services in 2024.
What is Dr. Merry Lynn Tetef's MIPS score?
Dr. Tetef's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. Merry Lynn Tetef see?
CMS counts 541 Medicare patients who saw Dr. Tetef in 2024, with an average age of 74.
Is Dr. Merry Lynn Tetef board certified?
Yes. Dr. Tetef is board certified in medical oncology by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Merry Lynn Tetef bill to Medicare?
In 2024, Dr. Tetef's most billed Medicare services were injected or infused drug (J0897), injected or infused drug (J9394) and injected or infused drug (J2469).
Where did Dr. Merry Lynn Tetef go to medical school?
Dr. Tetef graduated from Harvard Medical School in 1987.
What drugs does Dr. Merry Lynn Tetef prescribe most?
In 2024 Medicare Part D data, Dr. Tetef's most prescribed drugs by claims were Anastrozole, Ibrance and Tamoxifen Citrate.
Has Dr. Merry Lynn Tetef received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Tetef from 2 companies from 2016 to 2021. The largest total came from Pfizer Inc.
How long has Dr. Merry Lynn Tetef been practicing?
Dr. Tetef graduated from medical school in 1987, 39 years ago.
Does Dr. Merry Lynn Tetef do research?
Dmand AI links 27 publications to Dr. Tetef, published from 2003 to 2024.
Who does Dr. Merry Lynn Tetef publish with?
Dr. Tetef's most frequent co-authors are Lucille Leong, MD (22 shared papers), Kim A. Margolin, MD (22 shared papers) and Robert Morgan, MD (21 shared papers).
What insurance does Dr. Merry Lynn Tetef accept?
Dr. Tetef is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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