Dr. Jennifer Lynn Baker, MD

  • Los Angeles, CA
  • General surgeon
NPI1447504121PAC ID2163772971
Medicare services, 2024
134
Medicare patients, 2024
71
Part D claims, 2022
14
Publications
16
MIPS score, 2024
81
Practice address
200 Medical Plz, Los Angeles, CA 90024
Practice phone
Call (310) 794-9206
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Peter Morton UCLA Medical Building

Los Angeles, California

See all 6 affiliations

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Dr. Jennifer Lynn Baker is a general surgeon in Los Angeles, California

Dr. Baker practices at Peter Morton UCLA Medical Building in Los Angeles, California.

Dr. Baker's NPI, 1447504121, was assigned on November 2, 2012. Dr. Baker graduated from Carver College of Medicine in 2010. Dr. Baker holds California license A120237.

NPI and contact details
Medicare PAC ID
2163772971
NPI enumeration date
November 2, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 794-9206
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jennifer Lynn Baker practices at Peter Morton UCLA Medical Building in Los Angeles, California

Dr. Baker's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.

  • Peter Morton UCLA Medical Building
    200 Medical Plz, Los Angeles, CA 90024 · Los Angeles CountyPhone(310) 794-9206

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Jennifer Lynn Baker is affiliated with 4 sites of care and 2 medical groups

Dr. Baker's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dr. Baker is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Surgical Oncology Associates. Dmand AI also links Dr. Baker to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Baker

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Jennifer Lynn Baker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Peter Morton UCLA Medical BuildingAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jennifer Lynn Baker is one of 2,926 general surgeons in California

Surgery is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Baker is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Baker's licenses on file in 2 states: California and New York.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A120237 · 2012 to 2026 · taxonomy 208600000X
  • New York license2017 to 2019

Clinical focus

Dmand AI lists mastectomy among the conditions Dr. Baker treats.

General surgeons near Dr. Baker

Counts of general surgeons 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. Jennifer Lynn Baker billed Medicare for 134 services in 2024

CMS data shows 134 Medicare services from Dr. Baker across 7 procedure codes in 2024, for 71 Medicare patients. Medicare paid $26,470 for them.

Medicare services, 2024134
Medicare patients71
Paid by Medicare$26,470
Procedure codes7

Dr. Baker's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1292024: 8038%
Surgery
2023: 1012024: 5447%

Where Dr. Baker's Medicare services took place, 2024

  • In an office8060%
  • In a facility5440%

Dr. Baker compared with the California median for general surgeons, 2024

  • Dr. Baker
  • California median
Medicare services
134vs 16619% below
Medicare patients
71vs 12141% below
Part D claims
14vs 3459% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Baker'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.

See all procedures by Dr. Baker

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jennifer Lynn Baker treated 71 Medicare patients in 2024, average age 71

CMS counts 71 Medicare patients who saw Dr. Baker in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have cancer, and 70% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 54, with 98% women.

Medicare patients, 202471
Average age71
Average risk score1.65
Also on Medicaid31%

Dr. Baker's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Baker's Medicare patients, 2024

  1. Cancer75%
  2. High cholesterol70%
  3. High blood pressure63%
  4. Arthritis55%
  5. Osteoporosis37%
  6. Mood disorders32%
  7. Depression30%
  8. Diabetes27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Baker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women98%
  • Men1%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jennifer Lynn Baker wrote 14 Medicare Part D claims in 2022

In 2022, Dr. Baker wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $39 in total drug cost. In 2021, CMS named 14 claims across 1 drug.

Part D claims, 202214
Drugs named by CMS1
Total drug cost$39

Dr. Baker's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 142022: 14No change

Drugs named by CMS: 1 in 2022, 1 in 2021.

See all prescribing by Dr. Baker

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Jennifer Lynn Baker scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Baker for performance year 2024, reported as part of a group. Dr. Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Baker as offering telehealth. CMS counts 51 procedures of mastectomy by Dr. Baker, more than 95% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Baker's MIPS scores, performance year 2024

  • 81of 100Final score
  • 61.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Baker ranks in Medicare procedure volume

Mastectomy
95th percentile51 procedures
Melanoma (skin cancer) excision
72nd percentile17 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Jennifer Lynn Baker has 16 publications on record

Dmand AI links 16 papers to Dr. Baker, published from 2014 to 2022. 2020 was the busiest year, with 3. The most frequent topics are Breast Neoplasms, Neoadjuvant Therapy and Antineoplastic Combined Chemotherapy Protocols. Dr. Baker's most frequent co-authors are Deanna J. Attai, MD, Carlie Kennedy Thompson, MD and Steven R. Cohen, M, D.

Papers16
Years published2014 to 2022

Dr. Baker's papers by year, 2014 to 2022

Topics Dr. Baker writes about most

  • Breast Neoplasms
  • Neoadjuvant Therapy
  • Antineoplastic Combined Chemotherapy Protocols
  • Breast

Dr. Baker's most frequent co-authors

Recent publications by Dr. Baker

See all 16 publications and co-authors

See who Dr. Baker researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baker works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jennifer Lynn Baker received $1,069 in industry payments from 2016 to 2024

CMS Open Payments shows 16 general payments to Dr. Baker from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 96% of the total. Elucent Medical paid the most, $347.

General payments to Dr. Baker by program year, 2016 to 2024

General payments to Dr. Baker by kind, 2016 to 2024

$1.1Kin total
  • Food and beverage$1,03296%
  • Entertainment$374%

Companies that paid Dr. Baker the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Baker

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jennifer Lynn Baker graduated from Carver College of Medicine

Dr. Baker graduated from Carver College of Medicine in 2010.

  1. Medical schoolCarver College of Medicine
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Jennifer Lynn Baker accepts plans from 13 insurance carriers

Dr. Baker is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO 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
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Baker accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Jennifer Lynn Baker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jennifer Lynn Baker

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. Jennifer Lynn Baker's NPI number?

Dr. Jennifer Lynn Baker's NPI number is 1447504121. It was assigned on November 2, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Jennifer Lynn Baker?

Dr. Jennifer Lynn Baker is a general surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Jennifer Lynn Baker practice?

Dr. Baker practices at 200 Medical Plz, Los Angeles, CA 90024. Dr. Baker's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dmand AI also links Dr. Baker to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Dr. Jennifer Lynn Baker's office phone number?

The practice phone on file for Dr. Baker is (310) 794-9206.

What is Dr. Jennifer Lynn Baker's medical license number?

Dr. Baker holds California license A120237, one of the licenses on file in 2 states.

Which states has Dr. Jennifer Lynn Baker been licensed in?

Dmand AI has state licenses on file for Dr. Baker in California (2012 to 2026) and New York (2017 to 2019).

Which hospitals is Dr. Jennifer Lynn Baker affiliated with?

Dr. Baker is affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Dr. Baker to 1 more hospital.

What medical group is Dr. Jennifer Lynn Baker part of?

Dr. Baker is linked to UCLA Surgical Oncology Associates. Dmand AI links Dr. Baker to 1 more medical group.

Does Dr. Jennifer Lynn Baker accept Medicare?

Yes. CMS data shows Dr. Baker billed Medicare for 134 services in 2024, and Dr. Baker accepts Medicare assignment.

Does Dr. Jennifer Lynn Baker offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Baker as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Jennifer Lynn Baker's MIPS score?

Dr. Baker's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

How many Medicare patients does Dr. Jennifer Lynn Baker see?

CMS counts 71 Medicare patients who saw Dr. Baker in 2024, with an average age of 71.

Is Dr. Jennifer Lynn Baker board certified?

Yes. Dr. Baker is board certified in surgery by the American Board of Surgery.

What services does Dr. Jennifer Lynn Baker bill to Medicare?

In 2024, Dr. Baker's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99205) and surgery: skin and soft tissue (19301).

Where did Dr. Jennifer Lynn Baker go to medical school?

Dr. Baker graduated from Carver College of Medicine in 2010.

What drugs does Dr. Jennifer Lynn Baker prescribe most?

In 2022 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Oxycodone HCl.

Has Dr. Jennifer Lynn Baker received payments from drug or device companies?

CMS Open Payments shows $1,069 in general payments to Dr. Baker from 8 companies from 2016 to 2024. The largest total came from Elucent Medical.

How long has Dr. Jennifer Lynn Baker been practicing?

Dr. Baker graduated from medical school in 2010, 16 years ago.

Does Dr. Jennifer Lynn Baker do research?

Dmand AI links 16 publications to Dr. Baker, published from 2014 to 2022.

Who does Dr. Jennifer Lynn Baker publish with?

Dr. Baker's most frequent co-authors are Deanna J. Attai, MD (6 shared papers), Carlie Kennedy Thompson, MD (5 shared papers) and Steven R. Cohen, M, D (3 shared papers).

What insurance does Dr. Jennifer Lynn Baker accept?

Dr. Baker is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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