Dr. Gabriel P. Simon, MD
- Medicare services, 2024
- 820
- Medicare patients, 2024
- 589
- Part D claims, 2024
- 225
- MIPS score, 2024
- 67
- Hospital affiliations
- 4
- Practice address
- 200 Groton Rd, Ayer, MA 01432
- Practice phone
- Call (978) 784-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nashoba Valley Medical Center (CLOSED)
Ayer, Massachusetts
Find Dr. Simon's professional email, personal email and mobile number
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Dr. Gabriel P. Simon is an emergency medicine physician in Ayer, Massachusetts
Dr. Simon practices at Nashoba Valley Medical Center (CLOSED) in Ayer, Massachusetts.
Dr. Simon's NPI, 1366467086, was assigned on July 13, 2006. Dr. Simon graduated from Yale University School of Medicine in 2003. Dr. Simon holds Maryland license D69915.
- NPI
- 1366467086NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406889765
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 784-9000
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gabriel P. Simon practices at Nashoba Valley Medical Center (CLOSED) in Ayer, Massachusetts
Dr. Simon's primary practice is Nashoba Valley Medical Center (CLOSED), at 200 Groton Rd, Ayer, MA 01432 in Middlesex County. The practice phone is (978) 784-9000.
- Nashoba Valley Medical Center (CLOSED)200 Groton Rd, Ayer, MA 01432 · Middlesex CountyPhone(978) 784-9000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gabriel P. Simon is affiliated with 5 sites of care and 5 medical groups
Dr. Simon's primary practice is Nashoba Valley Medical Center (CLOSED) in Ayer, Massachusetts. Dr. Simon is also affiliated with Beth Israel Deaconess Hospital-Needham. The medical group on file is Nashoba Valley Medical Center. Dmand AI also links Dr. Simon to 3 more hospitals and 4 medical groups, each named with a free account.
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. Gabriel P. Simon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simon practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nashoba Valley Medical Center (CLOSED) | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gabriel P. Simon is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Simon's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Simon's licenses on file in 2 states: Maryland and Massachusetts.
Specialties and state licenses
- Emergency medicine, MarylandPrimary
- Massachusetts license
Emergency medicine physicians near Dr. Simon
Counts of emergency medicine physicians 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. Gabriel P. Simon billed Medicare for 820 services in 2024
CMS data shows 820 Medicare services from Dr. Simon across 7 procedure codes in 2024, for 589 Medicare patients. Medicare paid $79,489 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Simon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6162024: 617No change
- Tests and treatments
- 2023: 1872024: 2039%
Dr. Simon compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Simon
- Massachusetts median
- Medicare services
- 820vs 3412.4 times
- Medicare patients
- 589vs 33775% above
- Part D claims
- 109vs 363.0 times
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Simon'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. Gabriel P. Simon treated 589 Medicare patients in 2024, average age 73
CMS counts 589 Medicare patients who saw Dr. Simon in 2024. The largest group is 75 to 84, with 188 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.84, 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. Simon's median patient age at 54, with 57% women.
Dr. Simon's Medicare patients by age, 2024
Dr. Simon's Medicare patients by sex, 2024
- Women32756%
- Men26244%
Chronic conditions among Dr. Simon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Mood disorders49%
- Anxiety48%
- Depression44%
- Diabetes38%
- Ischemic heart disease38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gabriel P. Simon wrote 225 Medicare Part D claims in 2024
In 2024, Dr. Simon wrote 225 Medicare Part D claims for 169 patients. 90% of them were for generic drugs. CMS names the drug for 109 of them, across 6 drugs with 11 or more claims each, at $767 in total drug cost. In 2023, CMS named 157 claims across 8 drugs.
Dr. Simon's Part D claims by kind of drug, 2024
- Generic203 claims90%
- Brand-name22 claims10%
Dr. Simon'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. Simon's Part D claims, 2024
- Opioids12%27 of 225 claims
- Antibiotics35%78 of 225 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: 1572024: 10931%
Drugs named by CMS: 6 in 2024, 8 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. Gabriel P. Simon scored 67 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 67 out of 100 for Dr. Simon for performance year 2024, reported individually. Dr. Simon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Simon's MIPS scores, performance year 2024
- 67of 100Final score
- 64.8of 100Quality
- 0of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gabriel P. Simon graduated from Yale University School of Medicine
Dr. Simon graduated from Yale University School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gabriel P. Simon'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)Clinician Public Reporting: Overall MIPS Performance (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. Gabriel P. Simon
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. Gabriel P. Simon's NPI number?
Dr. Gabriel P. Simon's NPI number is 1366467086. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gabriel P. Simon?
Dr. Gabriel P. Simon is an emergency medicine physician in Ayer, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gabriel P. Simon practice?
Dr. Simon practices at 200 Groton Rd, Ayer, MA 01432. Dr. Simon's primary practice is Nashoba Valley Medical Center (CLOSED) in Ayer, Massachusetts. Dmand AI also links Dr. Simon to 3 hospitals and 4 medical groups.
What is Dr. Gabriel P. Simon's office phone number?
The practice phone on file for Dr. Simon is (978) 784-9000.
What is Dr. Gabriel P. Simon's medical license number?
Dr. Simon holds Maryland license D69915, one of the licenses on file in 2 states.
Which states has Dr. Gabriel P. Simon been licensed in?
Dmand AI has state licenses on file for Dr. Simon in Maryland and Massachusetts.
Which hospitals is Dr. Gabriel P. Simon affiliated with?
Dr. Simon is affiliated with Beth Israel Deaconess Hospital-Needham. Dmand AI links Dr. Simon to 3 more hospitals.
What medical group is Dr. Gabriel P. Simon part of?
Dr. Simon is linked to Nashoba Valley Medical Center. Dmand AI links Dr. Simon to 4 more medical groups.
Does Dr. Gabriel P. Simon accept Medicare?
Yes. CMS data shows Dr. Simon billed Medicare for 820 services in 2024, and Dr. Simon accepts Medicare assignment.
What is Dr. Gabriel P. Simon's MIPS score?
Dr. Simon's MIPS final score for performance year 2024 is 67 out of 100, reported individually.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Gabriel P. Simon see?
CMS counts 589 Medicare patients who saw Dr. Simon in 2024, with an average age of 73.
What services does Dr. Gabriel P. Simon bill to Medicare?
In 2024, Dr. Simon's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Gabriel P. Simon go to medical school?
Dr. Simon graduated from Yale University School of Medicine in 2003.
What drugs does Dr. Gabriel P. Simon prescribe most?
In 2024 Medicare Part D data, Dr. Simon's most prescribed drugs by claims were Prednisone, Oxycodone HCl and Cefuroxime.
How long has Dr. Gabriel P. Simon been practicing?
Dr. Simon graduated from medical school in 2003, 23 years ago.
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