Dr. Alan M. Nelson, MD
- Medicare services, 2024
- 27,059
- Medicare patients, 2024
- 164
- Part D claims, 2024
- 3,678
- MIPS score, 2024
- 92
- Industry payments
- $7,763
- Practice address
- 2660 Main St, Bridgeport, CT 06606
- Practice phone
- Call (860) 246-2571
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Connecticut GI PLLC
Bridgeport, Connecticut
Find Dr. Nelson'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. Alan M. Nelson is an internist in Bridgeport, Connecticut
Dr. Nelson practices at Connecticut GI PLLC in Bridgeport, Connecticut.
Dr. Nelson's NPI, 1720006117, was assigned on July 17, 2006. Dr. Nelson graduated from Georgetown University School of Medicine in 1974. Dr. Nelson holds Connecticut license 019537.
- NPI
- 1720006117NPI Registry (opens in a new tab)
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Practice phone
- (860) 246-2571
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Alan M. Nelson practices at Connecticut GI PLLC in Bridgeport, Connecticut
Dr. Nelson's primary practice is Connecticut GI PLLC, at 2660 Main St, Bridgeport, CT 06606 in Greater Bridgeport County. The practice phone is (860) 246-2571.
- Connecticut GI PLLC2660 Main St, Bridgeport, CT 06606 · Greater Bridgeport CountyPhone(860) 246-2571
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alan M. Nelson is affiliated with 2 sites of care and 1 medical group
Dr. Nelson's primary practice is Connecticut GI PLLC in Bridgeport, Connecticut. The medical group on file is Connecticut GI. Dmand AI also links Dr. Nelson to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alan M. Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nelson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Connecticut GI PLLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alan M. Nelson is one of 2,189 internists in Connecticut
Internal medicine is Dr. Nelson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nelson is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Nelson
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. Alan M. Nelson billed Medicare for 27,059 services in 2024
CMS data shows 27,059 Medicare services from Dr. Nelson across 7 procedure codes in 2024, for 164 Medicare patients. Medicare paid $285,595 for them. Every service was in an office.
Dr. Nelson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,5372024: 26,6401633%
- Office and hospital visits
- 2023: 3642024: 3543%
- Tests and treatments
- 2023: 1342024: 6551%
Dr. Nelson compared with the Connecticut median for internists, 2024
- Dr. Nelson
- Connecticut median
- Medicare services
- 27,059vs 39069.4 times
- Medicare patients
- 164vs 172Close to median
- Part D claims
- 3,084vs 3439.0 times
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Nelson'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. Nelson and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan M. Nelson treated 164 Medicare patients in 2024, average age 76
CMS counts 164 Medicare patients who saw Dr. Nelson in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% 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. Nelson's median patient age at 73, with 50% women.
Dr. Nelson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nelson's Medicare patients by sex, 2024
- Women8552%
- Men7948%
Chronic conditions among Dr. Nelson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Ischemic heart disease29%
- Diabetes28%
- Atrial fibrillation23%
- Cancer22%
- Osteoporosis20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alan M. Nelson wrote 3,678 Medicare Part D claims in 2024
In 2024, Dr. Nelson wrote 3,678 Medicare Part D claims for 319 patients. 90% of them were for generic drugs. CMS names the drug for 3,084 of them, across 65 drugs with 11 or more claims each, at $235,347 in total drug cost. In 2023, CMS named 2,958 claims across 64 drugs.
Dr. Nelson's Part D claims by kind of drug, 2024
- Generic3,295 claims90%
- Brand-name371 claims10%
- Other12 claims0%
Dr. Nelson'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. Nelson's Part D claims, 2024
- Opioids1%22 of 3,678 claims
- Antibiotics1%35 of 3,678 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: 2,9582024: 3,0844%
Drugs named by CMS: 65 in 2024, 64 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. Alan M. Nelson scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Nelson for performance year 2024, reported as part of a group.
Dr. Nelson's MIPS scores, performance year 2024
- 92of 100Final score
- 89.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Alan M. Nelson received $7,763 in industry payments from 2016 to 2024
CMS Open Payments shows 370 general payments to Dr. Nelson from 39 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,432.
General payments to Dr. Nelson by program year, 2016 to 2024
General payments to Dr. Nelson by kind, 2016 to 2024
- Food and beverage$7,741100%
- Education$220%
Companies that paid Dr. Nelson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alan M. Nelson graduated from Georgetown University School of Medicine
Dr. Nelson graduated from Georgetown University School of Medicine in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alan M. Nelson'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 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Alan M. Nelson
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. Alan M. Nelson's NPI number?
Dr. Alan M. Nelson's NPI number is 1720006117. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan M. Nelson?
Dr. Alan M. Nelson is an internist in Bridgeport, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alan M. Nelson practice?
Dr. Nelson practices at 2660 Main St, Bridgeport, CT 06606. Dr. Nelson's primary practice is Connecticut GI PLLC in Bridgeport, Connecticut. Dmand AI also links Dr. Nelson to 1 group practice or clinic.
What is Dr. Alan M. Nelson's office phone number?
The practice phone on file for Dr. Nelson is (860) 246-2571.
What is Dr. Alan M. Nelson's medical license number?
Dr. Nelson holds Connecticut license 019537.
What medical group is Dr. Alan M. Nelson part of?
Dr. Nelson is linked to Connecticut GI.
Does Dr. Alan M. Nelson accept Medicare?
Yes. CMS data shows Dr. Nelson billed Medicare for 27,059 services in 2024.
What is Dr. Alan M. Nelson's MIPS score?
Dr. Nelson's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alan M. Nelson see?
CMS counts 164 Medicare patients who saw Dr. Nelson in 2024, with an average age of 76.
What services does Dr. Alan M. Nelson bill to Medicare?
In 2024, Dr. Nelson's most billed Medicare services were injected or infused drug (J3380), injected or infused drug (J1439) and office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Alan M. Nelson go to medical school?
Dr. Nelson graduated from Georgetown University School of Medicine in 1974.
What drugs does Dr. Alan M. Nelson prescribe most?
In 2024 Medicare Part D data, Dr. Nelson's most prescribed drugs by claims were Lisinopril, Levothyroxine Sodium and Atorvastatin Calcium.
Has Dr. Alan M. Nelson received payments from drug or device companies?
CMS Open Payments shows $7,763 in general payments to Dr. Nelson from 39 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Alan M. Nelson been practicing?
Dr. Nelson graduated from medical school in 1974, 52 years ago.
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