J Cardiovasc Electrophysiol
Dr. Melissa Ann Frederick, MD
- Medicare services, 2024
- 2,513
- Medicare patients, 2024
- 292
- Part D claims, 2024
- 11,099
- Publications
- 3
- MIPS score, 2024
- 91
- Practice address
- 340 Northlake Drive, San Jose, CA 95117
- Practice phone
- Call (408) 249-0344
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Courtyard Care Center - San Jose
Skilled Nursing Facility · San Jose, California
Find Dr. Frederick'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. Melissa Ann Frederick is an internist in San Jose, California
Dr. Frederick practices at Courtyard Care Center - San Jose in San Jose, California.
Dr. Frederick's NPI, 1033238076, was assigned on March 29, 2007. Dr. Frederick graduated from University of Toledo College of Medicine and Life Sciences in 2004. Dr. Frederick holds California license A116626.
- NPI
- 1033238076NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244489425
- NPI enumeration date
- March 29, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 249-0344
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Melissa Ann Frederick practices at Courtyard Care Center - San Jose in San Jose, California
Dr. Frederick's primary practice is Courtyard Care Center - San Jose, at 340 Northlake Drive, San Jose, CA 95117 in Santa Clara County. The practice phone is (408) 249-0344.
- Courtyard Care Center - San Jose340 Northlake Drive, San Jose, CA 95117 · Santa Clara CountyPhone(408) 249-0344
Source: Dmand AI Affiliation Data
Dr. Melissa Ann Frederick is affiliated with 6 sites of care and 1 medical group
Dr. Frederick's primary practice is Courtyard Care Center - San Jose in San Jose, California. The medical group on file is Acn Medical Group. Dmand AI also links Dr. Frederick to 3 more skilled nursing facilities, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Melissa Ann Frederick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Frederick practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Courtyard Care Center - San Jose | Available with a free account |
| +5 more affiliated sites | 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. Melissa Ann Frederick is one of 16,751 internists in California
Internal medicine is Dr. Frederick's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Frederick is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Frederick's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists alzheimer's disease, arthritis, asthma, atrial fibrillation and flutter, bladder disease, cardiomyopathy, cerebrovascular disease and chronic anemia among the conditions Dr. Frederick treats.
Internists near Dr. Frederick
Counts of internists 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 Ann Frederick billed Medicare for 2,513 services in 2024
CMS data shows 2,513 Medicare services from Dr. Frederick across 6 procedure codes in 2024, for 292 Medicare patients. Medicare paid $228,421 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Frederick's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,3172024: 2,5138%
Dr. Frederick compared with the California median for internists, 2024
- Dr. Frederick
- California median
- Medicare services
- 2,513vs 3617.0 times
- Medicare patients
- 292vs 15193% above
- Part D claims
- 10,414vs 42124.7 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Frederick'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. Frederick?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Frederick and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Melissa Ann Frederick treated 292 Medicare patients in 2024, average age 81
CMS counts 292 Medicare patients who saw Dr. Frederick in 2024. The largest group is 85 and over, with 117 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 53% are also on Medicaid. Their average risk score is 2.57, 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. Frederick's median patient age at 80, with 54% women.
Dr. Frederick's Medicare patients by age, 2024
Dr. Frederick's Medicare patients by sex, 2024
- Women17058%
- Men12242%
Chronic conditions among Dr. Frederick's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Mood disorders50%
- Arthritis46%
- Depression44%
- Ischemic heart disease42%
- Alzheimer's and dementia41%
- Chronic kidney disease40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Frederick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Melissa Ann Frederick wrote 11,099 Medicare Part D claims in 2024
In 2024, Dr. Frederick wrote 11,099 Medicare Part D claims for 230 patients. 88% of them were for generic drugs. CMS names the drug for 10,414 of them, across 168 drugs with 11 or more claims each, at $517,993 in total drug cost. In 2023, CMS named 10,481 claims across 172 drugs.
Dr. Frederick's Part D claims by kind of drug, 2024
- Generic9,735 claims88%
- Brand-name1,350 claims12%
- Other14 claims0%
Dr. Frederick'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. Frederick's Part D claims, 2024
- Opioids2%249 of 11,099 claims
- Antibiotics2%208 of 11,099 claims
- Antipsychotics, patients 65 and over4%480 of 11,099 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: 10,4812024: 10,4141%
Drugs named by CMS: 168 in 2024, 172 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. Melissa Ann Frederick scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Frederick for performance year 2024, reported individually. Dr. Frederick accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Frederick's MIPS scores, performance year 2024
- 91of 100Final score
- 81.5of 100Quality
- 40of 100Improvement Activities
- 63of 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
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. Melissa Ann Frederick has 3 publications on record
Dmand AI links 3 papers to Dr. Frederick, published from 2007 to 2008. 2007 was the busiest year, with 2. The most frequent topics are Atrial Fibrillation, Catheter Ablation and Electrocardiography. Dr. Frederick's most frequent co-authors are Nagib Tony Chalfoun, MD, Thomas Christopher Crawford, MD and Sujoya Dey, MD.
Topics Dr. Frederick writes about most
- Atrial Fibrillation
- Catheter Ablation
- Electrocardiography
- Heart Atria
Dr. Frederick's most frequent co-authors
- Nagib Tony Chalfoun, MD3 shared papers
- Thomas Christopher Crawford, MD3 shared papers
- Sujoya Dey, MD3 shared papers
Recent publications by Dr. Frederick
J Interv Card Electrophysiol
See who Dr. Frederick researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Frederick works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Melissa Ann Frederick received $174 in industry payments from 2016 to 2018
CMS Open Payments shows 5 general payments to Dr. Frederick from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 98% of the total. Avanir Pharmaceuticals, Inc. paid the most, $123.
General payments to Dr. Frederick by program year, 2016 to 2018
General payments to Dr. Frederick by kind, 2016 to 2018
- Food and beverage$17298%
- Education$32%
Companies that paid Dr. Frederick the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Melissa Ann Frederick graduated from University of Toledo College of Medicine and Life Sciences
Dr. Frederick graduated from University of Toledo College of Medicine and Life Sciences in 2004. Dr. Frederick is a member of ACC and ACP.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Melissa Ann Frederick accepts plans from 1 insurance carrier
Dr. Frederick is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Melissa Ann Frederick'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)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) |
| 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) |
| 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. Melissa Ann Frederick
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 Ann Frederick's NPI number?
Dr. Melissa Ann Frederick's NPI number is 1033238076. It was assigned on March 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Melissa Ann Frederick?
Dr. Melissa Ann Frederick is an internist in San Jose, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Melissa Ann Frederick practice?
Dr. Frederick practices at 340 Northlake Drive, San Jose, CA 95117. Dr. Frederick's primary practice is Courtyard Care Center - San Jose in San Jose, California. Dmand AI also links Dr. Frederick to 3 skilled nursing facilities, 1 group practice or clinic and 1 home health agency.
What is Dr. Melissa Ann Frederick's office phone number?
The practice phone on file for Dr. Frederick is (408) 249-0344.
What is Dr. Melissa Ann Frederick's medical license number?
Dr. Frederick holds California license A116626, one of the licenses on file in 2 states.
Which states has Dr. Melissa Ann Frederick been licensed in?
Dmand AI has state licenses on file for Dr. Frederick in California (2011 to 2027) and Michigan (2009 to 2019).
What medical group is Dr. Melissa Ann Frederick part of?
Dr. Frederick is linked to Acn Medical Group.
Does Dr. Melissa Ann Frederick accept Medicare?
Yes. CMS data shows Dr. Frederick billed Medicare for 2,513 services in 2024, and Dr. Frederick accepts Medicare assignment.
What is Dr. Melissa Ann Frederick's MIPS score?
Dr. Frederick's MIPS final score for performance year 2024 is 91 out of 100, reported individually.
How many Medicare patients does Dr. Melissa Ann Frederick see?
CMS counts 292 Medicare patients who saw Dr. Frederick in 2024, with an average age of 81.
Show 9 more questionsShow fewer questions
Is Dr. Melissa Ann Frederick board certified?
Yes. Dr. Frederick is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Melissa Ann Frederick bill to Medicare?
In 2024, Dr. Frederick's most billed Medicare services were nursing facility care (99308), nursing facility care (99309) and nursing facility care (99306).
Where did Dr. Melissa Ann Frederick go to medical school?
Dr. Frederick graduated from University of Toledo College of Medicine and Life Sciences in 2004.
What drugs does Dr. Melissa Ann Frederick prescribe most?
In 2024 Medicare Part D data, Dr. Frederick's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Amlodipine Besylate.
Has Dr. Melissa Ann Frederick received payments from drug or device companies?
CMS Open Payments shows $174 in general payments to Dr. Frederick from 3 companies from 2016 to 2018. The largest total came from Avanir Pharmaceuticals, Inc.
How long has Dr. Melissa Ann Frederick been practicing?
Dr. Frederick graduated from medical school in 2004, 22 years ago.
Does Dr. Melissa Ann Frederick do research?
Dmand AI links 3 publications to Dr. Frederick, published from 2007 to 2008.
Who does Dr. Melissa Ann Frederick publish with?
Dr. Frederick's most frequent co-authors are Nagib Tony Chalfoun, MD (3 shared papers), Thomas Christopher Crawford, MD (3 shared papers) and Sujoya Dey, MD (3 shared papers).
What insurance does Dr. Melissa Ann Frederick accept?
Dr. Frederick is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists 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