Dr. Alison M. Messer, MD

  • Houston, TX
  • Dermatologist
NPI1598129975PAC ID7517367014
Medicare services, 2024
657
Medicare patients, 2024
308
Part D claims, 2024
285
Publications
14
Industry payments
$2,825
Practice address
4131 Directors Row, Houston, TX 77092
Practice phone
Call (877) 697-2447
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Sagis Diagnostics - Houston (Directors Row)

Clinical Lab - Full Service · Houston, Texas

See all 19 affiliations

Find Dr. Messer'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.

View contacts for free

Dr. Alison M. Messer is a dermatologist in Houston, Texas

Dr. Messer practices at Sagis Diagnostics - Houston (Directors Row) in Houston, Texas.

Dr. Messer's NPI, 1598129975, was assigned on April 11, 2016. Dr. Messer graduated from McGovern Medical School in 2016. Dr. Messer holds Texas license S4528.

NPI and contact details
Medicare PAC ID
7517367014
NPI enumeration date
April 11, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(877) 697-2447
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
36
Medical school graduation
2016

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

Dr. Alison M. Messer practices at Sagis Diagnostics - Houston (Directors Row) in Houston, Texas

Dr. Messer's primary practice is Sagis Diagnostics - Houston (Directors Row), at 4131 Directors Row, Houston, TX 77092. The practice phone is (877) 697-2447.

  • Sagis Diagnostics - Houston (Directors Row)
    4131 Directors Row, Houston, TX 77092Phone(877) 697-2447

Source: Dmand AI Affiliation Data

Dr. Alison M. Messer is affiliated with 9 sites of care and 10 medical groups

Dr. Messer's primary practice is Sagis Diagnostics - Houston (Directors Row) in Houston, Texas. The medical group on file is Sagis Diagnostics. Dmand AI also links Dr. Messer to 9 more medical groups and 8 group practices and clinics, each named with a free account. Dr. Messer's employer is on file too: a clinical lab.

See all 19 affiliations for Dr. Messer

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Alison M. Messer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Messer practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sagis Diagnostics - Houston (Directors Row)Available with a free account
+8 more sites and 9 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Messer practices

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. Alison M. Messer is one of 1,073 dermatologists in Texas

Dermatology is Dr. Messer's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Messer is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Messer's licenses on file in 8 states: Texas, Colorado, Florida, Arizona, Minnesota, North Carolina, South Carolina and Pennsylvania.

Specialties and state licenses

  • Dermatology, TexasPrimaryLicense S4528 · 2019 to 2026 · taxonomy 207N00000X
  • Colorado license2024 to 2027
  • Florida license2024 to 2027
  • Arizona license2024 to 2026
  • Minnesota license2024 to 2026
  • North Carolina license2024 to 2026
  • South Carolina license2024 to 2025
  • Pennsylvania license2024

Clinical focus

Dmand AI lists acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, hives, itchy rashes, psoriasis and rash among the conditions Dr. Messer treats.

Dermatologists near Dr. Messer

Counts of dermatologists 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. Alison M. Messer billed Medicare for 657 services in 2024

CMS data shows 657 Medicare services from Dr. Messer across 10 procedure codes in 2024, for 308 Medicare patients. Medicare paid $35,988 for them.

Medicare services, 2024657
Medicare patients308
Paid by Medicare$35,988
Procedure codes10

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

  • 2023
  • 2024
Surgery
2023: 1672024: 27665%
Office and hospital visits
2023: 1822024: 22323%
Lab and pathology
2023: 6722024: 15876%

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

  • In an office64298%
  • In a facility152%

Dr. Messer compared with the Texas median for dermatologists, 2024

  • Dr. Messer
  • Texas median
Medicare services
657vs 1,98267% below
Medicare patients
308vs 46534% below
Part D claims
180vs 43659% below

Medians across 1,030 dermatologists in Texas with Dmand AI profiles that report each measure.

Dr. Messer'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. Messer

Need commercial claims for Dr. Messer?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Messer and other dermatologists in Texas.

Book a meeting

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

Dr. Alison M. Messer treated 308 Medicare patients in 2024, average age 75

CMS counts 308 Medicare patients who saw Dr. Messer in 2024. The largest group is 65 to 74, with 150 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Messer's median patient age at 61, with 50% women.

Medicare patients, 2024308
Average age75
Average risk score0.99
Also on Medicaid4%

Dr. Messer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Messer's Medicare patients by sex, 2024

  • Women13343%
  • Men17557%

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

  1. High cholesterol75%
  2. High blood pressure64%
  3. Arthritis45%
  4. Ischemic heart disease31%
  5. Cancer21%
  6. Diabetes19%
  7. Anxiety17%
  8. Mood disorders17%

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

Dr. Messer's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women50%
  • Men48%

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

Dr. Alison M. Messer wrote 285 Medicare Part D claims in 2024

In 2024, Dr. Messer wrote 285 Medicare Part D claims for 94 patients. 86% of them were for generic drugs. CMS names the drug for 180 of them, across 10 drugs with 11 or more claims each, at $113,688 in total drug cost. In 2023, CMS named 226 claims across 11 drugs.

Part D claims, 2024285
Drugs named by CMS10
Total drug cost$113,688
Part D patients94

Dr. Messer's Part D claims by kind of drug, 2024

  • Generic245 claims86%
  • Brand-name40 claims14%

Dr. Messer'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. Messer's Part D claims, 2024

  • Antibiotics5%15 of 285 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: 2262024: 18020%

Drugs named by CMS: 10 in 2024, 11 in 2023.

See all prescribing by Dr. Messer

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. Alison M. Messer ranks in the 81st percentile for removal of skin lesions in Medicare

Dr. Messer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 248 procedures of removal of skin lesions by Dr. Messer, more than 81% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Messer ranks in Medicare procedure volume

Removal of skin lesions
81st percentile248 procedures
Skin biopsy
75th percentile94 procedures

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

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 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)

For MedTech and pharma teams

Find dermatologists like Dr. Messer by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Alison M. Messer has 14 publications on record

Dmand AI links 14 papers to Dr. Messer, published from 2016 to 2024. 2019 was the busiest year, with 3. Dr. Messer has published most often in Dermatol Online J. Dr. Messer's most frequent co-authors are Richard Reza Jahan-Tigh, MD, Tapan M. Kadia, MD and Sandra S. Osswald, MD.

Papers14
Years published2016 to 2024

Dr. Messer's papers by year, 2016 to 2024

Dr. Messer's most frequent co-authors

Recent publications by Dr. Messer

See all 14 publications and co-authors

See who Dr. Messer researches with

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

How network discovery works

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

Dr. Alison M. Messer received $2,825 in industry payments from 2021 to 2025

CMS Open Payments shows 64 general payments to Dr. Messer from 16 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $536.

General payments to Dr. Messer by program year, 2021 to 2025

General payments to Dr. Messer by kind, 2021 to 2025

$2.8Kin total
  • Food and beverage$2,72596%
  • Education$1004%

Companies that paid Dr. Messer the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Messer

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

Dr. Alison M. Messer graduated from McGovern Medical School

Dr. Messer graduated from McGovern Medical School in 2016.

  1. Medical schoolMcGovern Medical School
  2. Board certified in dermatologyAmerican Board of Dermatology
  3. Board certified in dermatopathologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. Alison M. Messer accepts plans from 24 insurance carriers

Dr. Messer is in network with 24 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

Plan types Dr. Messer accepts, by number of carriers

  1. PPO15
  2. HMO13
  3. Medicare12
  4. POS6
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Alison M. Messer'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-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. Alison M. Messer

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. Alison M. Messer's NPI number?

Dr. Alison M. Messer's NPI number is 1598129975. It was assigned on April 11, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Alison M. Messer?

Dr. Alison M. Messer is a dermatologist in Houston, Texas. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Alison M. Messer practice?

Dr. Messer practices at 4131 Directors Row, Houston, TX 77092. Dr. Messer's primary practice is Sagis Diagnostics - Houston (Directors Row) in Houston, Texas. Dmand AI also links Dr. Messer to 9 medical groups and 8 group practices and clinics.

What is Dr. Alison M. Messer's office phone number?

The practice phone on file for Dr. Messer is (877) 697-2447.

What is Dr. Alison M. Messer's medical license number?

Dr. Messer holds Texas license S4528, one of the licenses on file in 8 states.

Which states has Dr. Alison M. Messer been licensed in?

Dmand AI has state licenses on file for Dr. Messer in Texas (2019 to 2026), Colorado (2024 to 2027), Florida (2024 to 2027), Arizona (2024 to 2026), Minnesota (2024 to 2026), North Carolina (2024 to 2026), South Carolina (2024 to 2025) and Pennsylvania (2024).

What medical group is Dr. Alison M. Messer part of?

Dr. Messer is linked to Sagis Diagnostics. Dmand AI links Dr. Messer to 9 more medical groups.

Does Dr. Alison M. Messer accept Medicare?

Yes. CMS data shows Dr. Messer billed Medicare for 657 services in 2024, and Dr. Messer accepts Medicare assignment.

How many Medicare patients does Dr. Alison M. Messer see?

CMS counts 308 Medicare patients who saw Dr. Messer in 2024, with an average age of 75.

Is Dr. Alison M. Messer board certified?

Yes. Dr. Messer is board certified in dermatology by the American Board of Dermatology.

Show 8 more questionsShow fewer questions

What services does Dr. Alison M. Messer bill to Medicare?

In 2024, Dr. Messer's most billed Medicare services were lab and pathology test (88305), surgery: skin and soft tissue (17003) and office visit, established patient (99213).

Where did Dr. Alison M. Messer go to medical school?

Dr. Messer graduated from McGovern Medical School in 2016.

What drugs does Dr. Alison M. Messer prescribe most?

In 2024 Medicare Part D data, Dr. Messer's most prescribed drugs by claims were Ketoconazole, Minoxidil and Clobetasol Propionate.

Has Dr. Alison M. Messer received payments from drug or device companies?

CMS Open Payments shows $2,825 in general payments to Dr. Messer from 16 companies from 2021 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Alison M. Messer been practicing?

Dr. Messer graduated from medical school in 2016, 10 years ago.

Does Dr. Alison M. Messer do research?

Dmand AI links 14 publications to Dr. Messer, published from 2016 to 2024.

Who does Dr. Alison M. Messer publish with?

Dr. Messer's most frequent co-authors are Richard Reza Jahan-Tigh, MD (3 shared papers), Tapan M. Kadia, MD (2 shared papers) and Sandra S. Osswald, MD (2 shared papers).

What insurance does Dr. Alison M. Messer accept?

Dr. Messer is in network with 24 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

Selling to dermatology practices?

See dermatologists in Texas 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)