Dr. Ali Mahmood, MD

  • Houston, TX
  • Colorectal surgeon
NPI1548439888PAC ID6002967064
Medicare services, 2024
970
Medicare patients, 2024
298
Part D claims, 2024
565
Publications
13
Hospital affiliations
2
Practice address
6550 Fannin St, Houston, TX 77030
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Texas Children's Hospital - Mfm the Methodist Hospital - HOPD

Childrens Hospital outpatient department · Houston, Texas

See all 7 affiliations

Find Dr. Mahmood'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. Ali Mahmood is a colorectal surgeon in Houston, Texas

Dr. Mahmood practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas.

Dr. Mahmood's NPI, 1548439888, was assigned on February 20, 2008. Dr. Mahmood graduated from St. George's University School of Medicine in 2003. Dr. Mahmood holds Texas license N3155.

NPI and contact details
Medicare PAC ID
6002967064
NPI enumeration date
February 20, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

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

Dr. Ali Mahmood practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas

Dr. Mahmood's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD, at 6550 Fannin St, Houston, TX 77030.

  • Texas Children's Hospital - Mfm the Methodist Hospital - HOPD
    6550 Fannin St, Houston, TX 77030

Source: Dmand AI Affiliation Data

Dr. Ali Mahmood is affiliated with 5 sites of care and 2 medical groups

Dr. Mahmood's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dr. Mahmood is also affiliated with Houston Methodist Sugar Land Hospital. The medical group on file is Houston Methodist Specialty Physician Group. Dmand AI also links Dr. Mahmood to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Mahmood

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ali Mahmood's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahmood practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Texas Children's Hospital - Mfm the Methodist Hospital - HOPDAvailable with a free account
+4 more sites and 1 medical groupAvailable 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. Mahmood 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. Ali Mahmood is one of 204 colorectal surgeons in Texas

Colon and rectal surgery is Dr. Mahmood's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Mahmood is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Mahmood's licenses on file in 3 states: Texas, California and Michigan.

Specialties and state licenses

  • Colon and rectal surgery, TexasPrimaryLicense N3155 · 2009 to 2027 · taxonomy 208C00000X
  • California license2019 to 2021
  • Surgery, MichiganLicense 4301082545 · 2003 to 2012 · taxonomy 208600000X

Clinical focus

Dmand AI lists colonoscopy, colon removal, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Mahmood treats.

Colorectal surgeons near Dr. Mahmood

Counts of colorectal 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. Ali Mahmood billed Medicare for 970 services in 2024

CMS data shows 970 Medicare services from Dr. Mahmood across 11 procedure codes in 2024, for 298 Medicare patients. Medicare paid $113,416 for them.

Medicare services, 2024970
Medicare patients298
Paid by Medicare$113,416
Procedure codes11

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

  • 2023
  • 2024
Office and hospital visits
2023: 5412024: 65621%
Surgery
2023: 2542024: 31424%
Other services
2023: 112024: 0100%

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

  • In an office84687%
  • In a facility12413%

Dr. Mahmood compared with the Texas median for colorectal surgeons, 2024

  • Dr. Mahmood
  • Texas median
Medicare services
970vs 2543.8 times
Medicare patients
298vs 15494% above
Part D claims
515vs 1025.0 times

Medians across 192 colorectal surgeons in Texas with Dmand AI profiles that report each measure.

Dr. Mahmood'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. Mahmood

Need commercial claims for Dr. Mahmood?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mahmood and other colorectal surgeons in Texas.

Book a meeting

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

Dr. Ali Mahmood treated 298 Medicare patients in 2024, average age 73

CMS counts 298 Medicare patients who saw Dr. Mahmood in 2024. The largest group is 65 to 74, with 168 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mahmood's median patient age at 67, with 53% women.

Medicare patients, 2024298
Average age73
Average risk score1.40
Also on Medicaid4%

Dr. Mahmood's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Mahmood's Medicare patients by sex, 2024

  • Women15652%
  • Men14248%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Ischemic heart disease38%
  5. Cancer34%
  6. Diabetes33%
  7. Anxiety24%
  8. Chronic kidney disease24%

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

Dr. Mahmood's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women53%
  • Men45%

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

Dr. Ali Mahmood wrote 565 Medicare Part D claims in 2024

In 2024, Dr. Mahmood wrote 565 Medicare Part D claims for 275 patients. 92% of them were for generic drugs. CMS names the drug for 515 of them, across 8 drugs with 11 or more claims each, at $10,354 in total drug cost. In 2023, CMS named 399 claims across 8 drugs.

Part D claims, 2024565
Drugs named by CMS8
Total drug cost$10,354
Part D patients275

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

  • Generic519 claims92%
  • Brand-name46 claims8%

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

  • Opioids20%111 of 565 claims
  • Antibiotics21%120 of 565 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: 3992024: 51529%

Drugs named by CMS: 8 in 2024, 8 in 2023.

See all prescribing by Dr. Mahmood

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. Ali Mahmood ranks in the 50th percentile for colonoscopy in Medicare

Dr. Mahmood accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of colonoscopy by Dr. Mahmood, more than 50% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Mahmood ranks in Medicare procedure volume

Colonoscopy
50th percentile24 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find colorectal surgeons like Dr. Mahmood 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. Ali Mahmood has 13 publications on record

Dmand AI links 13 papers to Dr. Mahmood, published from 2007 to 2016. 2015 was the busiest year, with 5. The most frequent topics are Laparoscopy, Minimally Invasive Surgical Procedures and Colectomy. Dr. Mahmood has published most often in Surg Endosc. Dr. Mahmood's most frequent co-authors are Eric M. Haas, MD, Deborah Keller, MD and Sergio Ibarra, MD.

Papers13
Years published2007 to 2016

Dr. Mahmood's papers by year, 2007 to 2016

Topics Dr. Mahmood writes about most

  • Laparoscopy
  • Minimally Invasive Surgical Procedures
  • Colectomy
  • Colorectal Surgery
  • Length of Stay
  • Postoperative Complications

Dr. Mahmood's most frequent co-authors

Recent publications by Dr. Mahmood

See all 13 publications and co-authors

See who Dr. Mahmood researches with

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

How network discovery works

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

Dr. Ali Mahmood received $9,515 in industry payments from 2016 to 2025

CMS Open Payments shows 47 general payments to Dr. Mahmood from 19 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 33% of the total. Applied Medical Resources Corporation paid the most, $3,036. It also lists 2 research payments totaling $1,395 from 2017 to 2018.

General payments to Dr. Mahmood by program year, 2016 to 2025

General payments to Dr. Mahmood by kind, 2016 to 2025

$9.5Kin total
  • Consulting fees$3,11733%
  • Speaker and faculty fees$3,00032%
  • Food and beverage$1,81119%
  • Travel and lodging$1,58717%

Companies that paid Dr. Mahmood the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mahmood

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

Dr. Ali Mahmood has 1 award and honors on record

Dmand AI lists 1 award for Dr. Mahmood.

Awards and honors for Dr. Mahmood

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Ali Mahmood graduated from St. George's University School of Medicine

Dr. Mahmood graduated from St. George's University School of Medicine in 2003. Dr. Mahmood is a member of ACS.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Ali Mahmood accepts plans from 18 insurance carriers

Dr. Mahmood is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Mahmood accepts, by number of carriers

  1. PPO12
  2. Medicare11
  3. HMO10
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Ali Mahmood'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 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)
Awards and committee rolesDmand AI Professional Profile Data
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. Ali Mahmood

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. Ali Mahmood's NPI number?

Dr. Ali Mahmood's NPI number is 1548439888. It was assigned on February 20, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Ali Mahmood?

Dr. Ali Mahmood is a colorectal surgeon in Houston, Texas. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Ali Mahmood practice?

Dr. Mahmood practices at 6550 Fannin St, Houston, TX 77030. Dr. Mahmood's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dmand AI also links Dr. Mahmood to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. Ali Mahmood's medical license number?

Dr. Mahmood holds Texas license N3155, one of the licenses on file in 3 states.

Which states has Dr. Ali Mahmood been licensed in?

Dmand AI has state licenses on file for Dr. Mahmood in Texas (2009 to 2027), California (2019 to 2021) and Michigan (2003 to 2012).

Which hospitals is Dr. Ali Mahmood affiliated with?

Dr. Mahmood is affiliated with Houston Methodist Sugar Land Hospital. Dmand AI links Dr. Mahmood to 1 more hospital.

What medical group is Dr. Ali Mahmood part of?

Dr. Mahmood is linked to Houston Methodist Specialty Physician Group. Dmand AI links Dr. Mahmood to 1 more medical group.

Does Dr. Ali Mahmood accept Medicare?

Yes. CMS data shows Dr. Mahmood billed Medicare for 970 services in 2024, and Dr. Mahmood accepts Medicare assignment.

How many Medicare patients does Dr. Ali Mahmood see?

CMS counts 298 Medicare patients who saw Dr. Mahmood in 2024, with an average age of 73.

Is Dr. Ali Mahmood board certified?

Yes. Dr. Mahmood is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

Show 8 more questionsShow fewer questions

What services does Dr. Ali Mahmood bill to Medicare?

In 2024, Dr. Mahmood's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (46600) and office visit, new patient (99204).

Where did Dr. Ali Mahmood go to medical school?

Dr. Mahmood graduated from St. George's University School of Medicine in 2003.

What drugs does Dr. Ali Mahmood prescribe most?

In 2024 Medicare Part D data, Dr. Mahmood's most prescribed drugs by claims were Hydrocortisone, Sod Sulf-Potass Sulf-Mag Sulf and Tramadol HCl.

Has Dr. Ali Mahmood received payments from drug or device companies?

CMS Open Payments shows $9,515 in general payments to Dr. Mahmood from 19 companies from 2016 to 2025. The largest total came from Applied Medical Resources Corporation.

How long has Dr. Ali Mahmood been practicing?

Dr. Mahmood graduated from medical school in 2003, 23 years ago.

Does Dr. Ali Mahmood do research?

Dmand AI links 13 publications to Dr. Mahmood, published from 2007 to 2016.

Who does Dr. Ali Mahmood publish with?

Dr. Mahmood's most frequent co-authors are Eric M. Haas, MD (8 shared papers), Deborah Keller, MD (4 shared papers) and Sergio Ibarra, MD (2 shared papers).

What insurance does Dr. Ali Mahmood accept?

Dr. Mahmood is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Selling to colon and rectal surgery practices?

See colorectal surgeons 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)