Gender RolePhysician's RolePhysicians, Women
Dr. Melissa Jean Blaker, DO
NPI1831332394PAC ID5193198281
- Medicare services, 2024
- 11
- Medicare patients, 2024
- 24
- Part D claims, 2016
- 25
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 31700 Temecula Pkwy, Temecula, CA 92592
- Practice phone
- Call (951) 331-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Blaker's professional email, personal email and mobile number
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Dr. Melissa Jean Blaker is a cardiothoracic surgeon in Temecula, California
Dr. Blaker practices at Temecula Valley Hospital in Temecula, California, part of Universal Health Services.
Dr. Blaker's NPI, 1831332394, was assigned on April 14, 2009. Dr. Blaker holds California license 14206.
NPI and contact details
- NPI
- 1831332394NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193198281
- NPI enumeration date
- April 14, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 331-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Melissa Jean Blaker practices at Temecula Valley Hospital in Temecula, California
Dr. Blaker's primary practice is Temecula Valley Hospital, at 31700 Temecula Pkwy, Temecula, CA 92592 in Riverside County. The practice phone is (951) 331-2200.
- Temecula Valley Hospital31700 Temecula Pkwy, Temecula, CA 92592 · Riverside CountyPhone(951) 331-2200
Source: Dmand AI Affiliation Data
Dr. Melissa Jean Blaker is affiliated with 3 sites of care and 2 medical groups
Dr. Blaker's primary practice is Temecula Valley Hospital in Temecula, California, part of Universal Health Services. The medical group on file is Nevada Heart and Vascular Center. Dmand AI also links Dr. Blaker to 2 more group practices and clinics and 1 medical group, each named with a free account.
Nevada Heart and Vascular Center2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. BlakerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Melissa Jean Blaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blaker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Temecula Valley Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Melissa Jean Blaker is one of 568 cardiothoracic surgeons in California
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Blaker's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Blaker is licensed in California.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimary
Cardiothoracic surgeons near Dr. Blaker
Counts of cardiothoracic 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. Melissa Jean Blaker billed Medicare for 11 services in 2024
CMS data shows 11 Medicare services from Dr. Blaker across 1 procedure code in 2024, for 24 Medicare patients. Medicare paid $1,514 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202411
Medicare patients24
Paid by Medicare$1,514
Procedure codes1
Dr. Blaker compared with the California median for cardiothoracic surgeons, 2024
- Dr. Blaker
- California median
- Medicare services
- 11vs 11490% below
- Medicare patients
- 24vs 9575% below
- Part D claims
- 25vs 1932% above
Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.
Dr. Blaker'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. Blaker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Blaker and other cardiothoracic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Melissa Jean Blaker treated 24 Medicare patients in 2024, average age 75
CMS counts 24 Medicare patients who saw Dr. Blaker in 2024. The largest group is 75 to 84, with 13 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Blaker's median patient age at 70, with 34% women.
Medicare patients, 202424
Average age75
Average risk score1.45
Dr. Blaker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Blaker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Atrial fibrillation54%
- Diabetes54%
- Heart failure46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Blaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women34%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Melissa Jean Blaker wrote 25 Medicare Part D claims in 2016
In 2016, Dr. Blaker wrote 25 Medicare Part D claims. They cover 1 drug, with $416 in total drug cost.
Part D claims, 201625
Drugs named by CMS1
Total drug cost$416
Dr. Blaker's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Melissa Jean Blaker takes part in Medicare
Dr. Blaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Coronary artery bypass graft (CABG): 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. Melissa Jean Blaker has 1 publication on record
Dmand AI links 1 paper to Dr. Blaker in 2021. Dr. Blaker's most frequent co-author is Pringl L. Miller, MD.
Papers1
Dr. Blaker's most frequent co-authors
Recent publications by Dr. Blaker
See who Dr. Blaker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Blaker works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Melissa Jean Blaker received $5,844 in industry payments from 2017 to 2025
CMS Open Payments shows 53 general payments to Dr. Blaker from 11 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 58% of the total. Medtronic, Inc. paid the most, $1,820.
General payments to Dr. Blaker by program year, 2017 to 2025
General payments to Dr. Blaker by kind, 2017 to 2025
$5.8Kin total
- Travel and lodging$3,40658%
- Food and beverage$2,43842%
Companies that paid Dr. Blaker the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Melissa Jean Blaker'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) |
| 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) |
| 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) |
| 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. Melissa Jean Blaker
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. Melissa Jean Blaker's NPI number?
Dr. Melissa Jean Blaker's NPI number is 1831332394. It was assigned on April 14, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Melissa Jean Blaker?
Dr. Melissa Jean Blaker is a cardiothoracic surgeon in Temecula, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Melissa Jean Blaker practice?
Dr. Blaker practices at 31700 Temecula Pkwy, Temecula, CA 92592. Dr. Blaker's primary practice is Temecula Valley Hospital in Temecula, California, part of Universal Health Services. Dmand AI also links Dr. Blaker to 2 group practices and clinics and 1 medical group.
What is Dr. Melissa Jean Blaker's office phone number?
The practice phone on file for Dr. Blaker is (951) 331-2200.
What is Dr. Melissa Jean Blaker's medical license number?
Dr. Blaker holds California license 14206.
Which hospitals is Dr. Melissa Jean Blaker affiliated with?
Dr. Blaker practices at Temecula Valley Hospital in Temecula, California.
What medical group is Dr. Melissa Jean Blaker part of?
Dr. Blaker is linked to Nevada Heart and Vascular Center. Dmand AI links Dr. Blaker to 1 more medical group.
Does Dr. Melissa Jean Blaker accept Medicare?
Yes. CMS data shows Dr. Blaker billed Medicare for 11 services in 2024, and Dr. Blaker accepts Medicare assignment.
How many Medicare patients does Dr. Melissa Jean Blaker see?
CMS counts 24 Medicare patients who saw Dr. Blaker in 2024, with an average age of 75.
What services does Dr. Melissa Jean Blaker bill to Medicare?
In 2024, Dr. Blaker's most billed Medicare services were hospital inpatient care (99223).
Show 5 more questionsShow fewer questions
What drugs does Dr. Melissa Jean Blaker prescribe most?
In 2016 Medicare Part D data, Dr. Blaker's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Melissa Jean Blaker received payments from drug or device companies?
CMS Open Payments shows $5,844 in general payments to Dr. Blaker from 11 companies from 2017 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Melissa Jean Blaker been practicing?
Dr. Blaker graduated from medical school in 2008, 18 years ago.
Does Dr. Melissa Jean Blaker do research?
Dmand AI links 1 publication to Dr. Blaker.
Who does Dr. Melissa Jean Blaker publish with?
Dr. Blaker's most frequent co-authors are Pringl L. Miller, MD (1 shared paper).
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