Dr. Greesh John, MD

  • Easton, MD
  • Pain medicine (anesthesiology) physician
NPI1922316272PAC ID4789803701
Medicare services, 2024
3,046
Medicare patients, 2024
808
Part D claims, 2024
1,731
Industry payments
$21,006
Affiliated sites
3
Practice address
598 Cynwood Drive, Suite 103, Easton, MD 21601
Practice phone
Call (855) 527-7246
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Clearway Surgery Center of Easton

Surgery Center - Medicare-Certified · Easton, Maryland

See all 6 affiliations

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Dr. Greesh John is a pain medicine (anesthesiology) physician in Easton, Maryland

Dr. John practices at Clearway Surgery Center of Easton in Easton, Maryland.

Dr. John's NPI, 1922316272, was assigned on September 21, 2010. Dr. John holds Maryland license D0077390.

NPI and contact details
Medicare PAC ID
4789803701
NPI enumeration date
September 21, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(855) 527-7246
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

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

Dr. Greesh John practices at Clearway Surgery Center of Easton in Easton, Maryland

Dr. John's primary practice is Clearway Surgery Center of Easton, at 598 Cynwood Drive, Suite 103, Easton, MD 21601. The practice phone is (855) 527-7246.

  • Clearway Surgery Center of Easton
    598 Cynwood Drive, Suite 103, Easton, MD 21601Phone(855) 527-7246

Source: Dmand AI Affiliation Data

Dr. Greesh John is affiliated with 3 sites of care and 3 medical groups

Dr. John's primary practice is Clearway Surgery Center of Easton in Easton, Maryland. The medical group on file is Clearway Pain Solutions. Dmand AI also links Dr. John to 2 more medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 6 affiliations for Dr. John

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

Dmand AI tracks the EHR system at Dr. Greesh John's practice

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

EHR by site
SiteEHR vendor and product
Clearway Surgery Center of EastonAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Greesh John is one of 95 pain medicine (anesthesiology) physicians in Maryland

Pain medicine is Dr. John's primary specialty in the NPI Registry, under taxonomy code 207LP2900X. Dr. John is licensed in Maryland.

Specialties and state licenses

  • Pain medicine (anesthesiology), MarylandPrimaryLicense D0077390 · taxonomy 207LP2900X

Pain medicine (anesthesiology) physicians near Dr. John

Counts of pain medicine (anesthesiology) physicians with a Dmand AI profile, by place and practice. Each opens the list.

95pain medicine (anesthesiology) physicians in Maryland
4pain medicine (anesthesiology) physicians in Easton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Greesh John billed Medicare for 3,046 services in 2024

CMS data shows 3,046 Medicare services from Dr. John across 21 procedure codes in 2024, for 808 Medicare patients. Medicare paid $293,039 for them.

Medicare services, 20243,046
Medicare patients808
Paid by Medicare$293,039
Procedure codes21

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

  • 2023
  • 2024
Surgery
2023: 1,2182024: 1,40315%
Office and hospital visits
2023: 1,2102024: 1,1802%
Lab and pathology
2023: 2522024: 19622%
Other services
2023: 2572024: 19425%
Imaging
2023: 352024: 73109%

Where Dr. John's Medicare services took place, 2024

  • In an office1,57052%
  • In a facility1,47648%

Dr. John compared with the Maryland median for pain medicine (anesthesiology) physicians, 2024

  • Dr. John
  • Maryland median
Medicare services
3,046vs 1,0063.0 times
Medicare patients
808vs 2982.7 times
Part D claims
1,589vs 5942.7 times

Medians across 100 pain medicine (anesthesiology) physicians in Maryland with Dmand AI profiles that report each measure.

Dr. John'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. Greesh John treated 808 Medicare patients in 2024, average age 72

CMS counts 808 Medicare patients who saw Dr. John in 2024. The largest group is 65 to 74, with 329 patients. 75% of them have arthritis, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. John's median patient age at 65, with 53% women.

Medicare patients, 2024808
Average age72
Average risk score1.22
Also on Medicaid18%

Dr. John's Medicare patients by age, 2024

Dr. John's Medicare patients by sex, 2024

  • Women46257%
  • Men34643%

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Mood disorders40%
  5. Diabetes37%
  6. Anxiety36%
  7. Depression36%
  8. Ischemic heart disease25%

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

Dr. John's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women53%
  • Men47%

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

Dr. Greesh John wrote 1,731 Medicare Part D claims in 2024

In 2024, Dr. John wrote 1,731 Medicare Part D claims for 533 patients. 97% of them were for generic drugs. CMS names the drug for 1,589 of them, across 23 drugs with 11 or more claims each, at $39,013 in total drug cost. In 2023, CMS named 2,058 claims across 30 drugs.

Part D claims, 20241,731
Drugs named by CMS23
Total drug cost$39,013
Part D patients533

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

  • Generic1,679 claims97%
  • Brand-name52 claims3%

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

  • Opioids59%1,019 of 1,731 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: 2,0582024: 1,58923%

Drugs named by CMS: 23 in 2024, 30 in 2023.

See all prescribing by Dr. John

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

How Dr. Greesh John takes part in Medicare

Dr. John accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Greesh John received $21,006 in industry payments from 2016 to 2025

CMS Open Payments shows 381 general payments to Dr. John from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Abbott Laboratories paid the most, $5,878.

General payments to Dr. John by program year, 2016 to 2025

General payments to Dr. John by kind, 2016 to 2025

$21Kin total
  • Food and beverage$12,93862%
  • Device or supply loans$4,76823%
  • Travel and lodging$3,30016%

Companies that paid Dr. John the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. John

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Greesh John'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Greesh John

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. Greesh John's NPI number?

Dr. Greesh John's NPI number is 1922316272. It was assigned on September 21, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Greesh John?

Dr. Greesh John is a pain medicine (anesthesiology) physician in Easton, Maryland. The primary specialty in the NPI Registry is Pain Medicine (Anesthesiology) Physician (taxonomy code 207LP2900X).

Where does Dr. Greesh John practice?

Dr. John practices at 598 Cynwood Drive, Suite 103, Easton, MD 21601. Dr. John's primary practice is Clearway Surgery Center of Easton in Easton, Maryland. Dmand AI also links Dr. John to 2 medical groups, 1 group practice or clinic and 1 home health agency.

What is Dr. Greesh John's office phone number?

The practice phone on file for Dr. John is (855) 527-7246.

What is Dr. Greesh John's medical license number?

Dr. John holds Maryland license D0077390.

What medical group is Dr. Greesh John part of?

Dr. John is linked to Clearway Pain Solutions. Dmand AI links Dr. John to 2 more medical groups.

Does Dr. Greesh John accept Medicare?

Yes. CMS data shows Dr. John billed Medicare for 3,046 services in 2024, and Dr. John accepts Medicare assignment.

How many Medicare patients does Dr. Greesh John see?

CMS counts 808 Medicare patients who saw Dr. John in 2024, with an average age of 72.

What services does Dr. Greesh John bill to Medicare?

In 2024, Dr. John's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and lab and pathology test (80307).

What drugs does Dr. Greesh John prescribe most?

In 2024 Medicare Part D data, Dr. John's most prescribed drugs by claims were Gabapentin, Oxycodone-Acetaminophen and Oxycodone HCl.

Has Dr. Greesh John received payments from drug or device companies?

CMS Open Payments shows $21,006 in general payments to Dr. John from 39 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Greesh John been practicing?

Dr. John graduated from medical school in 2005, 21 years ago.

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