Dr. Gretchen Martinez Alayon, MD
- Medicare services, 2024
- 532
- Medicare patients, 2024
- 147
- Part D claims, 2024
- 308
- Hospital affiliations
- 1
- Industry payments
- $2,126
- Practice address
- 601 E Rollins St, Orlando, FL 32803
- Practice phone
- Call (407) 303-1976
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Martinez Alayon'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. Gretchen Martinez Alayon is an internist in Orlando, Florida
Dr. Martinez Alayon practices at AdventHealth Orlando in Orlando, Florida, part of AdventHealth.
Dr. Martinez Alayon's NPI, 1942465661, was assigned on July 22, 2008. Dr. Martinez Alayon holds Puerto Rico license 18435.
- NPI
- 1942465661NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103077276
- NPI enumeration date
- July 22, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (407) 303-1976
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gretchen Martinez Alayon practices at AdventHealth Orlando in Orlando, Florida
Dr. Martinez Alayon's primary practice is AdventHealth Orlando, at 601 E Rollins St, Orlando, FL 32803 in Orange County. The practice phone is (407) 303-1976.
- AdventHealth Orlando601 E Rollins St, Orlando, FL 32803 · Orange CountyPhone(407) 303-1976
Source: Dmand AI Affiliation Data
Dr. Gretchen Martinez Alayon is affiliated with 1 site of care and 2 medical groups
Dr. Martinez Alayon's primary practice is AdventHealth Orlando in Orlando, Florida, part of AdventHealth. The medical group on file is Central Florida Inpatient Medicine. Dmand AI also links Dr. Martinez Alayon to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gretchen Martinez Alayon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martinez Alayon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Orlando | Available with a free account |
| +1 medical group | 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 AdventHealth and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gretchen Martinez Alayon is one of 9,009 internists in Florida
Internal medicine is Dr. Martinez Alayon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Martinez Alayon is licensed in Puerto Rico.
Specialties and state licenses
- Internal medicine, Puerto RicoPrimary
Internists near Dr. Martinez Alayon
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. Gretchen Martinez Alayon billed Medicare for 532 services in 2024
CMS data shows 532 Medicare services from Dr. Martinez Alayon across 7 procedure codes in 2024, for 147 Medicare patients. Medicare paid $39,795 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Martinez Alayon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7972024: 53233%
Dr. Martinez Alayon compared with the Florida median for internists, 2024
- Dr. Martinez Alayon
- Florida median
- Medicare services
- 532vs 555Close to median
- Medicare patients
- 147vs 21532% below
- Part D claims
- 90vs 46681% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Martinez Alayon'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. Martinez Alayon and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gretchen Martinez Alayon treated 147 Medicare patients in 2024, average age 76
CMS counts 147 Medicare patients who saw Dr. Martinez Alayon in 2024. The largest group is 75 to 84, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 3.29, 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. Martinez Alayon's median patient age at 71, with 59% women.
Dr. Martinez Alayon's Medicare patients by age, 2024
Dr. Martinez Alayon's Medicare patients by sex, 2024
- Women9464%
- Men5336%
Chronic conditions among Dr. Martinez Alayon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease61%
- Mood disorders59%
- Chronic kidney disease57%
- Depression56%
- Anxiety52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Martinez Alayon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gretchen Martinez Alayon wrote 308 Medicare Part D claims in 2024
In 2024, Dr. Martinez Alayon wrote 308 Medicare Part D claims for 95 patients. 93% of them were for generic drugs. CMS names the drug for 90 of them, across 6 drugs with 11 or more claims each, at $1,019 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Martinez Alayon's Part D claims by kind of drug, 2024
- Generic286 claims93%
- Brand-name22 claims7%
Dr. Martinez Alayon'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. Martinez Alayon's Part D claims, 2024
- Opioids4%11 of 308 claims
- Antibiotics15%45 of 308 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: 272024: 90233%
Drugs named by CMS: 6 in 2024, 2 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
How Dr. Gretchen Martinez Alayon takes part in Medicare
Dr. Martinez Alayon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gretchen Martinez Alayon received $2,126 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Martinez Alayon from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $323.
General payments to Dr. Martinez Alayon by program year, 2016 to 2025
Companies that paid Dr. Martinez Alayon the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gretchen Martinez Alayon'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) |
| 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. Gretchen Martinez Alayon
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. Gretchen Martinez Alayon's NPI number?
Dr. Gretchen Martinez Alayon's NPI number is 1942465661. It was assigned on July 22, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Gretchen Martinez Alayon?
Dr. Gretchen Martinez Alayon is an internist in Orlando, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gretchen Martinez Alayon practice?
Dr. Martinez Alayon practices at 601 E Rollins St, Orlando, FL 32803. Dr. Martinez Alayon's primary practice is AdventHealth Orlando in Orlando, Florida, part of AdventHealth. Dmand AI also links Dr. Martinez Alayon to 1 medical group.
What is Dr. Gretchen Martinez Alayon's office phone number?
The practice phone on file for Dr. Martinez Alayon is (407) 303-1976.
What is Dr. Gretchen Martinez Alayon's medical license number?
Dr. Martinez Alayon holds Puerto Rico license 18435.
Which hospitals is Dr. Gretchen Martinez Alayon affiliated with?
Dr. Martinez Alayon practices at AdventHealth Orlando in Orlando, Florida.
What medical group is Dr. Gretchen Martinez Alayon part of?
Dr. Martinez Alayon is linked to Central Florida Inpatient Medicine. Dmand AI links Dr. Martinez Alayon to 1 more medical group.
Does Dr. Gretchen Martinez Alayon accept Medicare?
Yes. CMS data shows Dr. Martinez Alayon billed Medicare for 532 services in 2024, and Dr. Martinez Alayon accepts Medicare assignment.
How many Medicare patients does Dr. Gretchen Martinez Alayon see?
CMS counts 147 Medicare patients who saw Dr. Martinez Alayon in 2024, with an average age of 76.
What services does Dr. Gretchen Martinez Alayon bill to Medicare?
In 2024, Dr. Martinez Alayon's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99231).
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What drugs does Dr. Gretchen Martinez Alayon prescribe most?
In 2024 Medicare Part D data, Dr. Martinez Alayon's most prescribed drugs by claims were Atorvastatin Calcium, Digoxin and Clopidogrel.
Has Dr. Gretchen Martinez Alayon received payments from drug or device companies?
CMS Open Payments shows $2,126 in general payments to Dr. Martinez Alayon from 17 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Gretchen Martinez Alayon been practicing?
Dr. Martinez Alayon graduated from medical school in 2002, 24 years ago.
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