Dr. Henry Eric Simkin, MD

  • Greenfield, MA
  • Family medicine physician
NPI1336149384PAC ID9335196401
Medicare services, 2024
841
Medicare patients, 2024
292
Part D claims, 2024
1,486
Hospital affiliations
1
Medical group
1
Practice address
329 Conway St, Greenfield, MA 01301
Practice phone
Call (413) 774-6301
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Greenfield Health Center

Therapy Group Practice · Greenfield, Massachusetts

See all 4 affiliations

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Dr. Henry Eric Simkin is a family medicine physician in Greenfield, Massachusetts

Dr. Simkin practices at Greenfield Health Center in Greenfield, Massachusetts.

Dr. Simkin's NPI, 1336149384, was assigned on July 29, 2005. Dr. Simkin graduated from Boston University School of Medicine in 1983. Dr. Simkin holds Massachusetts license 55870.

NPI and contact details
Medicare PAC ID
9335196401
NPI enumeration date
July 29, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(413) 774-6301
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Henry Eric Simkin practices at Greenfield Health Center in Greenfield, Massachusetts

Dr. Simkin's primary practice is Greenfield Health Center, at 329 Conway St, Greenfield, MA 01301. The practice phone is (413) 774-6301.

  • Greenfield Health Center
    329 Conway St, Greenfield, MA 01301Phone(413) 774-6301

Source: Dmand AI Affiliation Data

Dr. Henry Eric Simkin is affiliated with 3 sites of care and 1 medical group

Dr. Simkin's primary practice is Greenfield Health Center in Greenfield, Massachusetts. Dr. Simkin is also affiliated with Cooley Dickinson Hospital. The medical group on file is Valley Medical Group. Dmand AI also links Dr. Simkin to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Simkin

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Henry Eric Simkin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simkin practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Greenfield Health CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Henry Eric Simkin is one of 2,036 family medicine physicians in Massachusetts

Family medicine is Dr. Simkin's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Simkin is licensed in Massachusetts.

Specialties and state licenses

  • Family medicine, MassachusettsPrimaryLicense 55870 · taxonomy 207Q00000X

Family medicine physicians near Dr. Simkin

Counts of family 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. Henry Eric Simkin billed Medicare for 841 services in 2024

CMS data shows 841 Medicare services from Dr. Simkin across 15 procedure codes in 2024, for 292 Medicare patients. Medicare paid $28,477 for them. Every service was in an office.

Medicare services, 2024841
Medicare patients292
Paid by Medicare$28,477
Procedure codes15

Dr. Simkin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 1,3772024: 37273%
Office and hospital visits
2023: 7122024: 27062%
Surgery
2023: 4312024: 13569%
Other services
2023: 942024: 6432%
Imaging
2023: 252024: 0100%

Dr. Simkin compared with the Massachusetts median for family medicine physicians, 2024

  • Dr. Simkin
  • Massachusetts median
Medicare services
841vs 3612.3 times
Medicare patients
292vs 15687% above
Part D claims
1,016vs 80826% above

Medians across 2,093 family medicine physicians in Massachusetts with Dmand AI profiles that report each measure.

Dr. Simkin'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. Henry Eric Simkin treated 292 Medicare patients in 2024, average age 75

CMS counts 292 Medicare patients who saw Dr. Simkin in 2024. The largest group is 75 to 84, with 119 patients. 68% of them have high blood pressure, and 63% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Simkin's median patient age at 66, with 52% women.

Medicare patients, 2024292
Average age75
Average risk score1.23
Also on Medicaid18%

Dr. Simkin's Medicare patients by age, 2024

Dr. Simkin's Medicare patients by sex, 2024

  • Women16858%
  • Men12442%

Chronic conditions among Dr. Simkin's Medicare patients, 2024

  1. High blood pressure68%
  2. High cholesterol63%
  3. Arthritis42%
  4. Mood disorders37%
  5. Anxiety31%
  6. Depression31%
  7. Chronic kidney disease29%
  8. Diabetes25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Simkin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women52%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Henry Eric Simkin wrote 1,486 Medicare Part D claims in 2024

In 2024, Dr. Simkin wrote 1,486 Medicare Part D claims for 441 patients. 90% of them were for generic drugs. CMS names the drug for 1,016 of them, across 40 drugs with 11 or more claims each, at $63,024 in total drug cost. In 2023, CMS named 3,093 claims across 83 drugs.

Part D claims, 20241,486
Drugs named by CMS40
Total drug cost$63,024
Part D patients441

Dr. Simkin's Part D claims by kind of drug, 2024

  • Generic1,333 claims90%
  • Brand-name and other153 claims10%

Dr. Simkin'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. Simkin's Part D claims, 2024

  • Antibiotics4%54 of 1,486 claims
  • Antipsychotics, patients 65 and over1%13 of 1,486 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: 3,0932024: 1,01667%

Drugs named by CMS: 40 in 2024, 83 in 2023.

See all prescribing by Dr. Simkin

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. Henry Eric Simkin offers telehealth to Medicare patients

Dr. Simkin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Simkin as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Henry Eric Simkin graduated from Boston University School of Medicine

Dr. Simkin graduated from Boston University School of Medicine in 1983.

  1. Medical schoolBoston University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Henry Eric Simkin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Henry Eric Simkin

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. Henry Eric Simkin's NPI number?

Dr. Henry Eric Simkin's NPI number is 1336149384. It was assigned on July 29, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Henry Eric Simkin?

Dr. Henry Eric Simkin is a family medicine physician in Greenfield, Massachusetts. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Henry Eric Simkin practice?

Dr. Simkin practices at 329 Conway St, Greenfield, MA 01301. Dr. Simkin's primary practice is Greenfield Health Center in Greenfield, Massachusetts. Dmand AI also links Dr. Simkin to 1 group practice or clinic.

What is Dr. Henry Eric Simkin's office phone number?

The practice phone on file for Dr. Simkin is (413) 774-6301.

What is Dr. Henry Eric Simkin's medical license number?

Dr. Simkin holds Massachusetts license 55870.

Which hospitals is Dr. Henry Eric Simkin affiliated with?

Dr. Simkin is affiliated with Cooley Dickinson Hospital.

What medical group is Dr. Henry Eric Simkin part of?

Dr. Simkin is linked to Valley Medical Group.

Does Dr. Henry Eric Simkin accept Medicare?

Yes. CMS data shows Dr. Simkin billed Medicare for 841 services in 2024, and Dr. Simkin accepts Medicare assignment.

Does Dr. Henry Eric Simkin offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Simkin as offering telehealth services.

How many Medicare patients does Dr. Henry Eric Simkin see?

CMS counts 292 Medicare patients who saw Dr. Simkin in 2024, with an average age of 75.

Show 4 more questionsShow fewer questions

What services does Dr. Henry Eric Simkin bill to Medicare?

In 2024, Dr. Simkin's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and office visit, established patient (99213).

Where did Dr. Henry Eric Simkin go to medical school?

Dr. Simkin graduated from Boston University School of Medicine in 1983.

What drugs does Dr. Henry Eric Simkin prescribe most?

In 2024 Medicare Part D data, Dr. Simkin's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Omeprazole.

How long has Dr. Henry Eric Simkin been practicing?

Dr. Simkin graduated from medical school in 1983, 43 years ago.

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