ColonoscopyColorectal NeoplasmsEarly Detection of Cancer
Dr. Heidi Shaifqun Ahmed, MD
NPI1801276472PAC ID7214240654
- Medicare services, 2024
- 295
- Medicare patients, 2024
- 231
- Part D claims, 2024
- 492
- Publications
- 7
- Hospital affiliations
- 2
- Practice address
- 295 Varnum Avenue, Lowell, MA 01854
- Practice phone
- Call (978) 937-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ahmed'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. Heidi Shaifqun Ahmed is a gastroenterologist in Lowell, Massachusetts
Dr. Ahmed practices at Lowell General Hospital in Lowell, Massachusetts, part of Tufts Medicine.
Dr. Ahmed's NPI, 1801276472, was assigned on June 9, 2015. Dr. Ahmed graduated from University of Iowa, RJ & L Carver College of Medicine in 2015. Dr. Ahmed holds Massachusetts license 275290.
NPI and contact details
- NPI
- 1801276472NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214240654
- NPI enumeration date
- June 9, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (978) 937-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Heidi Shaifqun Ahmed practices at Lowell General Hospital in Lowell, Massachusetts
Dr. Ahmed's primary practice is Lowell General Hospital, at 295 Varnum Avenue, Lowell, MA 01854 in Middlesex County. The practice phone is (978) 937-6000.
- Lowell General Hospital295 Varnum Avenue, Lowell, MA 01854 · Middlesex CountyPhone(978) 937-6000
Source: Dmand AI Affiliation Data
Dr. Heidi Shaifqun Ahmed is affiliated with 3 sites of care and 1 medical group
Dr. Ahmed's primary practice is Lowell General Hospital in Lowell, Massachusetts, part of Tufts Medicine. Dr. Ahmed is also affiliated with Merrimack Health Lawrence Hospital. The medical group on file is Integrated Gastroenterology Consultants. Dmand AI also links Dr. Ahmed to 1 more group practice or clinic, named with a free account.
Merrimack Health Lawrence HospitalIntegrated Gastroenterology Consultants1 group practice or clinicName with a free account
See all 4 affiliations for Dr. AhmedSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Heidi Shaifqun Ahmed's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahmed practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lowell General Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Heidi Shaifqun Ahmed is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Ahmed's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Ahmed's licenses on file in 2 states: Massachusetts and Iowa.
Specialties and state licenses
- Gastroenterology, MassachusettsPrimary
- Internal medicine, Iowa
Gastroenterologists near Dr. Ahmed
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
597gastroenterologists in Massachusetts11gastroenterologists in Lowell9gastroenterologists at Lowell General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Heidi Shaifqun Ahmed billed Medicare for 295 services in 2024
CMS data shows 295 Medicare services from Dr. Ahmed across 9 procedure codes in 2024, for 231 Medicare patients. Medicare paid $31,362 for them.
Medicare services, 2024295
Medicare patients231
Paid by Medicare$31,362
Procedure codes9
Dr. Ahmed's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2342024: 14837%
- Surgery
- 2023: 1632024: 10337%
- Other services
- 2023: 02024: 33
- Imaging
- 2023: 02024: 11
Where Dr. Ahmed's Medicare services took place, 2024
- In an office16155%
- In a facility13445%
Dr. Ahmed compared with the Massachusetts median for gastroenterologists, 2024
- Dr. Ahmed
- Massachusetts median
- Medicare services
- 295vs 51943% below
- Medicare patients
- 231vs 34333% below
- Part D claims
- 357vs 30019% above
Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Ahmed'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Heidi Shaifqun Ahmed treated 231 Medicare patients in 2024, average age 71
CMS counts 231 Medicare patients who saw Dr. Ahmed in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.51, 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. Ahmed's median patient age at 57, with 59% women.
Medicare patients, 2024231
Average age71
Average risk score1.51
Also on Medicaid36%
Dr. Ahmed's Medicare patients by age, 2024
Dr. Ahmed's Medicare patients by sex, 2024
- Women12152%
- Men11048%
Chronic conditions among Dr. Ahmed's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Mood disorders39%
- Anxiety38%
- Diabetes36%
- Chronic kidney disease35%
- Depression34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ahmed's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Heidi Shaifqun Ahmed wrote 492 Medicare Part D claims in 2024
In 2024, Dr. Ahmed wrote 492 Medicare Part D claims for 168 patients. 78% of them were for generic drugs. CMS names the drug for 357 of them, across 9 drugs with 11 or more claims each, at $94,524 in total drug cost. In 2023, CMS named 347 claims across 7 drugs.
Part D claims, 2024492
Drugs named by CMS9
Total drug cost$94,524
Part D patients168
Dr. Ahmed's Part D claims by kind of drug, 2024
- Generic382 claims78%
- Brand-name110 claims22%
Dr. Ahmed'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. Ahmed's Part D claims, 2024
- Antibiotics6%28 of 492 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: 3472024: 3573%
Drugs named by CMS: 9 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. Heidi Shaifqun Ahmed ranks in the 93rd percentile for colonoscopy in Medicare
Dr. Ahmed accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ahmed as offering telehealth. CMS counts 190 procedures of colonoscopy by Dr. Ahmed, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Ahmed ranks in Medicare procedure volume
- Colonoscopy
- 93rd percentile190 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 72nd percentile80 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)
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Dr. Heidi Shaifqun Ahmed has 7 publications on record
Dmand AI links 7 papers to Dr. Ahmed, published from 2020 to 2023. 2023 was the busiest year, with 3. The most frequent topics are Cardiovascular Diseases, Colonoscopy and Colorectal Neoplasms. Dr. Ahmed has published most often in Hepatology. Dr. Ahmed's most frequent co-authors are Michelle T. Long, MD, Antonio Jaime Sanchez, MD and Paul C. Schroy, MD.
Papers7
Years published2020 to 2023
Dr. Ahmed's papers by year, 2020 to 2023
Topics Dr. Ahmed writes about most
- Cardiovascular Diseases
- Colonoscopy
- Colorectal Neoplasms
- Non-alcoholic Fatty Liver Disease
Dr. Ahmed's most frequent co-authors
- Michelle T. Long, MD3 shared papers
- Antonio Jaime Sanchez, MD2 shared papers
- Paul C. Schroy, MD2 shared papers
Recent publications by Dr. Ahmed
Cardiovascular DiseasesNon-alcoholic Fatty Liver Disease
Cardiovascular DiseasesNon-alcoholic Fatty Liver Disease
Am J Prev Med
Ambulatory CareColonoscopyColorectal Neoplasms
See who Dr. Ahmed researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ahmed works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Heidi Shaifqun Ahmed received $4,337 in industry payments from 2019 to 2025
CMS Open Payments shows 164 general payments to Dr. Ahmed from 31 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $601.
General payments to Dr. Ahmed by program year, 2019 to 2025
General payments to Dr. Ahmed by kind, 2019 to 2025
$4.3Kin total
- Food and beverage$4,325100%
- Education$120%
Companies that paid Dr. Ahmed the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Heidi Shaifqun Ahmed graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Ahmed graduated from University of Iowa, RJ & L Carver College of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Heidi Shaifqun Ahmed'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)Doctors and Clinicians Utilization Data (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 |
| 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. Heidi Shaifqun Ahmed
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. Heidi Shaifqun Ahmed's NPI number?
Dr. Heidi Shaifqun Ahmed's NPI number is 1801276472. It was assigned on June 9, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Heidi Shaifqun Ahmed?
Dr. Heidi Shaifqun Ahmed is a gastroenterologist in Lowell, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Heidi Shaifqun Ahmed practice?
Dr. Ahmed practices at 295 Varnum Avenue, Lowell, MA 01854. Dr. Ahmed's primary practice is Lowell General Hospital in Lowell, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Ahmed to 1 group practice or clinic.
What is Dr. Heidi Shaifqun Ahmed's office phone number?
The practice phone on file for Dr. Ahmed is (978) 937-6000.
What is Dr. Heidi Shaifqun Ahmed's medical license number?
Dr. Ahmed holds Massachusetts license 275290, one of the licenses on file in 2 states.
Which states has Dr. Heidi Shaifqun Ahmed been licensed in?
Dmand AI has state licenses on file for Dr. Ahmed in Massachusetts and Iowa.
Which hospitals is Dr. Heidi Shaifqun Ahmed affiliated with?
Dr. Ahmed practices at Lowell General Hospital in Lowell, Massachusetts. Dr. Ahmed is also affiliated with Merrimack Health Lawrence Hospital.
What medical group is Dr. Heidi Shaifqun Ahmed part of?
Dr. Ahmed is linked to Integrated Gastroenterology Consultants.
Does Dr. Heidi Shaifqun Ahmed accept Medicare?
Yes. CMS data shows Dr. Ahmed billed Medicare for 295 services in 2024, and Dr. Ahmed accepts Medicare assignment.
Does Dr. Heidi Shaifqun Ahmed offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ahmed as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Heidi Shaifqun Ahmed see?
CMS counts 231 Medicare patients who saw Dr. Ahmed in 2024, with an average age of 71.
What services does Dr. Heidi Shaifqun Ahmed bill to Medicare?
In 2024, Dr. Ahmed's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45385) and surgery: digestive system (43239).
Where did Dr. Heidi Shaifqun Ahmed go to medical school?
Dr. Ahmed graduated from University of Iowa, RJ & L Carver College of Medicine in 2015.
What drugs does Dr. Heidi Shaifqun Ahmed prescribe most?
In 2024 Medicare Part D data, Dr. Ahmed's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.
Has Dr. Heidi Shaifqun Ahmed received payments from drug or device companies?
CMS Open Payments shows $4,337 in general payments to Dr. Ahmed from 31 companies from 2019 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Heidi Shaifqun Ahmed been practicing?
Dr. Ahmed graduated from medical school in 2015, 11 years ago.
Does Dr. Heidi Shaifqun Ahmed do research?
Dmand AI links 7 publications to Dr. Ahmed, published from 2020 to 2023.
Who does Dr. Heidi Shaifqun Ahmed publish with?
Dr. Ahmed's most frequent co-authors are Michelle T. Long, MD (3 shared papers), Antonio Jaime Sanchez, MD (2 shared papers) and Paul C. Schroy, MD (2 shared papers).
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