Dr. Alan Jay Diamond, MD
- Medicare services, 2022
- 741
- Part D claims, 2023
- 64
- Industry payments
- $7,392
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 10801 Lockwood Dr, Silver Spring, MD 20901-1556
- Practice phone
- Call (301) 593-2002
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Capital Gastroenterology Consultants
Medical specialty practice · Silver Spring, Maryland
Find Dr. Diamond's professional email, personal email and mobile number
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Dr. Alan Jay Diamond is a gastroenterologist in Chevy Chase, Maryland
Dr. Diamond practices at Capital Gastroenterology Consultants in Silver Spring, Maryland.
Dr. Diamond's NPI, 1457464851, was assigned on August 17, 2006. Dr. Diamond graduated from Icahn School of Medicine at Mount Sinai in 1977. Dr. Diamond holds Maryland license D0024245.
- NPI
- 1457464851NPI Registry (opens in a new tab)
- NPI enumeration date
- August 17, 2006
- NPI status
- Active
- Practice phone
- (301) 593-2002
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alan Jay Diamond practices in Silver Spring and Chevy Chase
Dr. Diamond's primary practice is Capital Gastroenterology Consultants, at 10801 Lockwood Dr, Silver Spring, MD 20901-1556. The practice phone is (301) 593-2002. The NPI Registry lists Dr. Diamond's practice address as 5530 Wisconsin Ave, Chevy Chase, MD 20815.
- Capital Gastroenterology ConsultantsPrimary10801 Lockwood Dr, Silver Spring, MD 20901-1556Phone(301) 593-2002
- NPI Registry address5530 Wisconsin Ave, Chevy Chase, MD 20815 · Montgomery CountyPhone(301) 593-2002
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Alan Jay Diamond is affiliated with 1 site of care and 1 medical group
Dr. Diamond's primary practice is Capital Gastroenterology Consultants in Silver Spring, Maryland. Dmand AI also links Dr. Diamond to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Alan Jay Diamond's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diamond practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Capital Gastroenterology Consultants | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alan Jay Diamond is one of 405 gastroenterologists in Maryland
Gastroenterology is Dr. Diamond's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Diamond is licensed in Maryland.
Specialties and state licenses
- Gastroenterology, MarylandPrimary
Gastroenterologists near Dr. Diamond
Counts of gastroenterologists 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 Jay Diamond billed Medicare for 741 services in 2022
CMS data shows 741 Medicare services from Dr. Diamond across 12 procedure codes in 2022. Medicare paid $88,626 for them.
Dr. Diamond's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 7102022: 42041%
- Surgery
- 2021: 2362022: 26814%
- Other services
- 2021: 512022: 534%
Where Dr. Diamond's Medicare services took place, 2022
- In an office42057%
- In a facility32143%
Dr. Diamond compared with the Maryland median for gastroenterologists, 2022
- Dr. Diamond
- Maryland median
- Medicare services
- 741vs 66811% above
- Part D claims
- 64vs 39284% below
Medians across 396 gastroenterologists in Maryland with Dmand AI profiles that report each measure.
Dr. Diamond's most billed Medicare procedure codes, 2022
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. Diamond and other gastroenterologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan Jay Diamond's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Diamond's median patient age at 72, with 31% women.
Dr. Diamond's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women31%
- Men64%
Source: Dmand AI Patient Panel Data
Dr. Alan Jay Diamond wrote 64 Medicare Part D claims in 2023
In 2023, Dr. Diamond wrote 64 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $1,540 in total drug cost. In 2022, CMS named 303 claims across 12 drugs.
Dr. Diamond's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3032023: 6479%
Drugs named by CMS: 2 in 2023, 12 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Alan Jay Diamond received $7,392 in industry payments from 2016 to 2023
CMS Open Payments shows 412 general payments to Dr. Diamond from 30 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,889.
General payments to Dr. Diamond by program year, 2016 to 2023
General payments to Dr. Diamond by kind, 2016 to 2023
- Food and beverage$7,372100%
- Education$200%
Companies that paid Dr. Diamond the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alan Jay Diamond graduated from Icahn School of Medicine at Mount Sinai
Dr. Diamond graduated from Icahn School of Medicine at Mount Sinai in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alan Jay Diamond'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 Jay Diamond
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 Jay Diamond's NPI number?
Dr. Alan Jay Diamond's NPI number is 1457464851. It was assigned on August 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan Jay Diamond?
Dr. Alan Jay Diamond is a gastroenterologist in Chevy Chase, Maryland. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Alan Jay Diamond practice?
Dr. Diamond practices at 10801 Lockwood Dr, Silver Spring, MD 20901-1556. Dr. Diamond also practices at 5530 Wisconsin Ave, Chevy Chase, MD 20815. Dr. Diamond's primary practice is Capital Gastroenterology Consultants in Silver Spring, Maryland. Dmand AI also links Dr. Diamond to 1 medical group.
What is Dr. Alan Jay Diamond's office phone number?
The practice phone on file for Dr. Diamond is (301) 593-2002.
What is Dr. Alan Jay Diamond's medical license number?
Dr. Diamond holds Maryland license D0024245.
Does Dr. Alan Jay Diamond accept Medicare?
Yes. CMS data shows Dr. Diamond billed Medicare for 741 services in 2022.
What services does Dr. Alan Jay Diamond bill to Medicare?
In 2022, Dr. Diamond's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45380) and office visit, established patient (99213).
Where did Dr. Alan Jay Diamond go to medical school?
Dr. Diamond graduated from Icahn School of Medicine at Mount Sinai in 1977.
What drugs does Dr. Alan Jay Diamond prescribe most?
In 2023 Medicare Part D data, Dr. Diamond's most prescribed drugs by claims were Omeprazole and Pantoprazole Sodium.
Has Dr. Alan Jay Diamond received payments from drug or device companies?
CMS Open Payments shows $7,392 in general payments to Dr. Diamond from 30 companies from 2016 to 2023. The largest total came from Abbvie Inc.
How long has Dr. Alan Jay Diamond been practicing?
Dr. Diamond graduated from medical school in 1977, 49 years ago.
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