Dr. Tresa M. McGranahan, MD, PhD
- Medicare services, 2024
- 914
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 501
- Publications
- 18
- Clinical trials
- 2
- Practice address
- 326 Santa Fe Dr, Encinitas, CA 92024
- Practice phone
- Call (858) 554-9100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Scripps Clinic
Encinitas, California
Find Dr. McGranahan'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. Tresa M. McGranahan is a neurologist in Encinitas, California
Dr. McGranahan practices at Scripps Clinic in Encinitas, California.
Dr. McGranahan's NPI, 1639519010, was assigned on June 28, 2013. Dr. McGranahan graduated from UC San Diego School of Medicine in 2013. Dr. McGranahan holds California license A132038.
- NPI
- 1639519010NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517212913
- NPI enumeration date
- June 28, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (858) 554-9100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tresa M. McGranahan practices at Scripps Clinic in Encinitas, California
Dr. McGranahan's primary practice is Scripps Clinic, at 326 Santa Fe Dr, Encinitas, CA 92024 in San Diego County. The practice phone is (858) 554-9100.
- Scripps Clinic326 Santa Fe Dr, Encinitas, CA 92024 · San Diego CountyPhone(858) 554-9100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tresa M. McGranahan is affiliated with 8 sites of care and 1 medical group
Dr. McGranahan's primary practice is Scripps Clinic in Encinitas, California. Dr. McGranahan is also affiliated with Scripps Memorial Hospital Encinitas. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. McGranahan to 3 more hospitals, 2 home health agencies and 1 group practice or clinic, 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. Tresa M. McGranahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McGranahan practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Clinic | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tresa M. McGranahan is one of 2,207 neurologists in California
Neurology is Dr. McGranahan's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. McGranahan is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. McGranahan's licenses on file in 5 states: California, Montana, Alaska, Idaho and Washington.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- Montana license
- Alaska license
- Idaho license
- Washington license
Clinical focus
Dmand AI lists epilepsy and fibromyalgia and chronic pain among the conditions Dr. McGranahan treats.
Neurologists near Dr. McGranahan
Counts of neurologists 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. Tresa M. McGranahan billed Medicare for 914 services in 2024
CMS data shows 914 Medicare services from Dr. McGranahan across 8 procedure codes in 2024, for 186 Medicare patients. Medicare paid $98,761 for them.
Dr. McGranahan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1182024: 614420%
- Other services
- 2023: 242024: 3001150%
Where Dr. McGranahan's Medicare services took place, 2024
- In an office87696%
- In a facility384%
Dr. McGranahan compared with the California median for neurologists, 2024
- Dr. McGranahan
- California median
- Medicare services
- 914vs 4042.3 times
- Medicare patients
- 186vs 190Close to median
- Part D claims
- 385vs 32419% above
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. McGranahan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McGranahan and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tresa M. McGranahan treated 186 Medicare patients in 2024, average age 74
CMS counts 186 Medicare patients who saw Dr. McGranahan in 2024. The largest group is 65 to 74, with 80 patients. 69% of them have high cholesterol, and 68% have high blood pressure. 11% are also on Medicaid. Their average risk score is 2.06, 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. McGranahan's median patient age at 63, with 60% women.
Dr. McGranahan's Medicare patients by age, 2024
Dr. McGranahan's Medicare patients by sex, 2024
- Women11059%
- Men7641%
Chronic conditions among Dr. McGranahan's Medicare patients, 2024
- High cholesterol69%
- High blood pressure68%
- Cancer46%
- Arthritis45%
- Anxiety39%
- Stroke or TIA35%
- Mood disorders33%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. McGranahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tresa M. McGranahan wrote 501 Medicare Part D claims in 2024
In 2024, Dr. McGranahan wrote 501 Medicare Part D claims for 96 patients. 95% of them were for generic drugs. CMS names the drug for 385 of them, across 16 drugs with 11 or more claims each, at $23,332 in total drug cost. In 2023, CMS named 242 claims across 7 drugs.
Dr. McGranahan's Part D claims by kind of drug, 2024
- Generic478 claims95%
- Brand-name23 claims5%
Dr. McGranahan'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. McGranahan's Part D claims, 2024
- Antipsychotics, patients 65 and over2%11 of 501 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: 2422024: 38559%
Drugs named by CMS: 16 in 2024, 7 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. Tresa M. McGranahan offers telehealth to Medicare patients
Dr. McGranahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McGranahan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Tresa M. McGranahan has 18 publications on record
Dmand AI links 18 papers to Dr. McGranahan, published from 2011 to 2025. 2024 was the busiest year, with 5. The most frequent topics are Brain Neoplasms, Glioma and Neoplasm Grading. Dr. McGranahan has published most often in J Neurooncol. Dr. McGranahan's most frequent co-authors are Lia Moriguchi Halasz, MD, Seema Nagpal, MD and Lynne P. Taylor, MD.
Dr. McGranahan's papers by year, 2011 to 2025
Topics Dr. McGranahan writes about most
- Brain Neoplasms
- Glioma
- Neoplasm Grading
- Cancer Survivors
- Carcinoma, Non-Small-Cell Lung
- ErbB Receptors
- Evidence-Based Medicine
- Lung Neoplasms
Dr. McGranahan's most frequent co-authors
- Lia Moriguchi Halasz, MD6 shared papers
- Seema Nagpal, MD4 shared papers
- Lynne P. Taylor, MD4 shared papers
Recent publications by Dr. McGranahan
J Neurosci Nurs
See who Dr. McGranahan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McGranahan works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tresa M. McGranahan has worked on 2 clinical trials
Dmand AI links Dr. McGranahan to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Glioblastoma, Glioma and Astrocytoma.
Clinical trials with Dr. McGranahan by phase
- NonePhase 1: no trials
- 1Phase 1/2: 1 trial
- NonePhase 2: no trials
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Conditions in Dr. McGranahan's trials
- Glioblastoma
- Glioma
- Astrocytoma
- Neoplasms, Neuroepithelial
Investigators on the most trials with Dr. McGranahan
- Daniel Charles Bowers, MD1 shared trial
- Nicholas A. Butowski, MD1 shared trial
- Sage Taylor Green, DO1 shared trial
Recent clinical trials with Dr. McGranahan
A Phase 2 Trial for Patients With Newly Diagnosed High Grade Glioma Treated With Concurrent Radiation Therapy, Temozolomide, and BMX-001 (opens in a new tab)
ONC201 in H3 K27M-mutant Diffuse Glioma Following Radiotherapy (the ACTION Study) (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Tresa M. McGranahan received $53,505 in industry payments from 2022 to 2025
CMS Open Payments shows 48 general payments to Dr. McGranahan from 14 drug and device companies from 2022 to 2025. Compensation for serving as faculty or as a speaker for a medical education program make up the largest share, 50% of the total. Servier Pharmaceuticals LLC paid the most, $52,436.
General payments to Dr. McGranahan by program year, 2022 to 2025
General payments to Dr. McGranahan by kind, 2022 to 2025
- Compensation for serving as faculty or as a speaker for a medical education program$26,97550%
- Consulting fees$22,02541%
- Speaker and faculty fees$2,4885%
- Food and beverage$1,2132%
- Travel and lodging$8042%
Companies that paid Dr. McGranahan the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tresa M. McGranahan graduated from UC San Diego School of Medicine
Dr. McGranahan graduated from UC San Diego School of Medicine in 2013.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Tresa M. McGranahan accepts plans from 7 insurance carriers
Dr. McGranahan is in network with 7 carriers, including Elevance, Aetna and United Healthcare. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Aetna
- United Healthcare
- HCSC
- AK State Medicaid
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. McGranahan accepts, by number of carriers
- Medicare5
- PPO4
- EPO3
- HMO3
- POS3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Tresa M. McGranahan'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Tresa M. McGranahan
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. Tresa M. McGranahan's NPI number?
Dr. Tresa M. McGranahan's NPI number is 1639519010. It was assigned on June 28, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Tresa M. McGranahan?
Dr. Tresa M. McGranahan is a neurologist in Encinitas, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Tresa M. McGranahan practice?
Dr. McGranahan practices at 326 Santa Fe Dr, Encinitas, CA 92024. Dr. McGranahan's primary practice is Scripps Clinic in Encinitas, California. Dmand AI also links Dr. McGranahan to 3 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Dr. Tresa M. McGranahan's office phone number?
The practice phone on file for Dr. McGranahan is (858) 554-9100.
What is Dr. Tresa M. McGranahan's medical license number?
Dr. McGranahan holds California license A132038, one of the licenses on file in 5 states.
Which states has Dr. Tresa M. McGranahan been licensed in?
Dmand AI has state licenses on file for Dr. McGranahan in California (2014 to 2026), Montana (2023 to 2025), Alaska (2023 to 2024), Idaho (2023 to 2024) and Washington (2018 to 2024).
Which hospitals is Dr. Tresa M. McGranahan affiliated with?
Dr. McGranahan is affiliated with Scripps Memorial Hospital Encinitas. Dmand AI links Dr. McGranahan to 3 more hospitals.
What medical group is Dr. Tresa M. McGranahan part of?
Dr. McGranahan is linked to Scripps Clinic Medical Group.
Does Dr. Tresa M. McGranahan accept Medicare?
Yes. CMS data shows Dr. McGranahan billed Medicare for 914 services in 2024, and Dr. McGranahan accepts Medicare assignment.
Does Dr. Tresa M. McGranahan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. McGranahan as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Tresa M. McGranahan see?
CMS counts 186 Medicare patients who saw Dr. McGranahan in 2024, with an average age of 74.
Is Dr. Tresa M. McGranahan board certified?
Yes. Dr. McGranahan is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Tresa M. McGranahan bill to Medicare?
In 2024, Dr. McGranahan's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and office visit, new patient (99205).
Where did Dr. Tresa M. McGranahan go to medical school?
Dr. McGranahan graduated from UC San Diego School of Medicine in 2013.
What drugs does Dr. Tresa M. McGranahan prescribe most?
In 2024 Medicare Part D data, Dr. McGranahan's most prescribed drugs by claims were Levetiracetam, Dexamethasone and Zonisamide.
Has Dr. Tresa M. McGranahan received payments from drug or device companies?
CMS Open Payments shows $53,505 in general payments to Dr. McGranahan from 14 companies from 2022 to 2025. The largest total came from Servier Pharmaceuticals LLC.
How long has Dr. Tresa M. McGranahan been practicing?
Dr. McGranahan graduated from medical school in 2013, 13 years ago.
Does Dr. Tresa M. McGranahan do research?
Dmand AI links 18 publications to Dr. McGranahan, published from 2011 to 2025. Dr. McGranahan has worked on 2 clinical trials.
Who does Dr. Tresa M. McGranahan publish with?
Dr. McGranahan's most frequent co-authors are Lia Moriguchi Halasz, MD (6 shared papers), Seema Nagpal, MD (4 shared papers) and Lynne P. Taylor, MD (4 shared papers).
What insurance does Dr. Tresa M. McGranahan accept?
Dr. McGranahan is in network with 7 carriers, including Elevance, Aetna and United Healthcare. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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