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Dr. Jassir Witta, MD
NPI1851524284PAC ID7517136401
- Medicare services, 2024
- 1,345
- Medicare patients, 2024
- 540
- Part D claims, 2024
- 110
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 10 Prospect St, Nashua, NH 03060
- Practice phone
- Call (603) 577-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Surgery Center of Greater Nashua
Nashua, New Hampshire
Find Dr. Witta'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. Jassir Witta is a gastroenterologist in Nashua, New Hampshire
Dr. Witta practices at The Surgery Center of Greater Nashua in Nashua, New Hampshire.
Dr. Witta's NPI, 1851524284, was assigned on September 2, 2009. Dr. Witta holds New Hampshire license 15687.
NPI and contact details
- NPI
- 1851524284NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517136401
- NPI enumeration date
- September 2, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 577-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jassir Witta practices at The Surgery Center of Greater Nashua in Nashua, New Hampshire
Dr. Witta's primary practice is The Surgery Center of Greater Nashua, at 10 Prospect St, Nashua, NH 03060 in Hillsborough County. The practice phone is (603) 577-2000.
- The Surgery Center of Greater Nashua10 Prospect St, Nashua, NH 03060 · Hillsborough CountyPhone(603) 577-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jassir Witta is affiliated with 2 sites of care and 2 medical groups
Dr. Witta's primary practice is The Surgery Center of Greater Nashua in Nashua, New Hampshire. Dr. Witta is also affiliated with Southern New Hampshire Medical Center. The medical group on file is St. Joseph Hospital. Dmand AI also links Dr. Witta to 1 more medical group, named with a free account.
The Surgery Center of Greater NashuaPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jassir Witta's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Witta practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Surgery Center of Greater Nashua | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jassir Witta is one of 87 gastroenterologists in New Hampshire
Gastroenterology is Dr. Witta's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Witta is licensed in New Hampshire.
Specialties and state licenses
- Gastroenterology, New HampshirePrimary
Gastroenterologists near Dr. Witta
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
87gastroenterologists in New Hampshire
8gastroenterologists in Nashua
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jassir Witta billed Medicare for 1,345 services in 2024
CMS data shows 1,345 Medicare services from Dr. Witta across 14 procedure codes in 2024, for 540 Medicare patients. Medicare paid $125,269 for them.
Medicare services, 20241,345
Medicare patients540
Paid by Medicare$125,269
Procedure codes14
Dr. Witta's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 7672024: 1,17553%
- Office and hospital visits
- 2023: 1312024: 17030%
- Other services
- 2023: 492024: 0100%
Where Dr. Witta's Medicare services took place, 2024
- In an office473%
- In a facility1,29897%
Dr. Witta compared with the New Hampshire median for gastroenterologists, 2024
- Dr. Witta
- New Hampshire median
- Medicare services
- 1,345vs 4922.7 times
- Medicare patients
- 540vs 35751% above
- Part D claims
- 16vs 22893% below
Medians across 82 gastroenterologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Witta'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.
Need commercial claims for Dr. Witta?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Witta and other gastroenterologists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jassir Witta treated 540 Medicare patients in 2024, average age 73
CMS counts 540 Medicare patients who saw Dr. Witta in 2024. The largest group is 65 to 74, with 262 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Witta's median patient age at 63, with 54% women.
Medicare patients, 2024540
Average age73
Average risk score1.25
Also on Medicaid7%
Dr. Witta's Medicare patients by age, 2024
Dr. Witta's Medicare patients by sex, 2024
- Women30556%
- Men23544%
Chronic conditions among Dr. Witta's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis45%
- Anxiety38%
- Mood disorders31%
- Depression27%
- Diabetes27%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Witta'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
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jassir Witta wrote 110 Medicare Part D claims in 2024
In 2024, Dr. Witta wrote 110 Medicare Part D claims for 63 patients. 85% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $220 in total drug cost. In 2023, CMS named 41 claims across 3 drugs.
Part D claims, 2024110
Drugs named by CMS1
Total drug cost$220
Part D patients63
Dr. Witta's Part D claims by kind of drug, 2024
- Generic94 claims85%
- Brand-name16 claims15%
Dr. Witta'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. Witta's Part D claims, 2024
- Antibiotics25%27 of 110 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: 412024: 1661%
Drugs named by CMS: 1 in 2024, 3 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. Jassir Witta ranks in the 98th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Witta accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 491 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Witta, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Witta ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 98th percentile491 procedures
- Colonoscopy
- 97th percentile302 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. Jassir Witta has 2 publications on record
Dmand AI links 2 papers to Dr. Witta, published from 2010 to 2015. The most frequent topics are Disease Models, Animal, Mice, Inbred C57BL and Serum Amyloid A Protein.
Papers2
Years published2010 to 2015
Topics Dr. Witta writes about most
- Disease Models, Animal
- Mice, Inbred C57BL
- Serum Amyloid A Protein
Recent publications by Dr. Witta
BacteriaBiopsyCell Line
See who Dr. Witta researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Witta 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. Jassir Witta received $1,574 in industry payments from 2016 to 2025
CMS Open Payments shows 76 general payments to Dr. Witta from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $452.
General payments to Dr. Witta by program year, 2016 to 2025
General payments to Dr. Witta by kind, 2016 to 2025
$1.6Kin total
- Food and beverage$1,53798%
- Education$372%
Companies that paid Dr. Witta 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. Jassir Witta'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 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) |
| 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. Jassir Witta
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. Jassir Witta's NPI number?
Dr. Jassir Witta's NPI number is 1851524284. It was assigned on September 2, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Jassir Witta?
Dr. Jassir Witta is a gastroenterologist in Nashua, New Hampshire. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Jassir Witta practice?
Dr. Witta practices at 10 Prospect St, Nashua, NH 03060. Dr. Witta's primary practice is The Surgery Center of Greater Nashua in Nashua, New Hampshire. Dmand AI also links Dr. Witta to 1 medical group.
What is Dr. Jassir Witta's office phone number?
The practice phone on file for Dr. Witta is (603) 577-2000.
What is Dr. Jassir Witta's medical license number?
Dr. Witta holds New Hampshire license 15687.
Which hospitals is Dr. Jassir Witta affiliated with?
Dr. Witta is affiliated with Southern New Hampshire Medical Center.
What medical group is Dr. Jassir Witta part of?
Dr. Witta is linked to St. Joseph Hospital. Dmand AI links Dr. Witta to 1 more medical group.
Does Dr. Jassir Witta accept Medicare?
Yes. CMS data shows Dr. Witta billed Medicare for 1,345 services in 2024, and Dr. Witta accepts Medicare assignment.
How many Medicare patients does Dr. Jassir Witta see?
CMS counts 540 Medicare patients who saw Dr. Witta in 2024, with an average age of 73.
What services does Dr. Jassir Witta bill to Medicare?
In 2024, Dr. Witta's most billed Medicare services were surgery: digestive system (45388), surgery: digestive system (45380) and surgery: digestive system (43239).
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What drugs does Dr. Jassir Witta prescribe most?
In 2024 Medicare Part D data, Dr. Witta's most prescribed drugs by claims were Omeprazole.
Has Dr. Jassir Witta received payments from drug or device companies?
CMS Open Payments shows $1,574 in general payments to Dr. Witta from 22 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jassir Witta been practicing?
Dr. Witta graduated from medical school in 1993, 33 years ago.
Does Dr. Jassir Witta do research?
Dmand AI links 2 publications to Dr. Witta, published from 2010 to 2015.
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