Dr. Gregory Jack Hardin, MD
- Medicare services, 2024
- 364
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 1,094
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 1980 Crompond Road, Cortlandt Manor, NY 10567
- Practice phone
- Call (914) 734-3611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hardin'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. Gregory Jack Hardin is a hospitalist in Cortlandt Manor, New York
Dr. Hardin practices at NewYork-Presbyterian Hudson Valley Hospital in Cortlandt Manor, New York, part of NewYork-Presbyterian Hospital.
Dr. Hardin's NPI, 1457677213, was assigned on April 19, 2010. Dr. Hardin graduated from University of Kentucky College of Medicine in 2010. Dr. Hardin holds New York license 271063.
- NPI
- 1457677213NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800025644
- NPI enumeration date
- April 19, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (914) 734-3611
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Jack Hardin practices at NewYork-Presbyterian Hudson Valley Hospital in Cortlandt Manor, New York
Dr. Hardin's primary practice is NewYork-Presbyterian Hudson Valley Hospital, at 1980 Crompond Road, Cortlandt Manor, NY 10567 in Westchester County. The practice phone is (914) 734-3611.
- NewYork-Presbyterian Hudson Valley Hospital1980 Crompond Road, Cortlandt Manor, NY 10567 · Westchester CountyPhone(914) 734-3611
Source: Dmand AI Affiliation Data
Dr. Gregory Jack Hardin is affiliated with 7 sites of care and 2 medical groups
Dr. Hardin's primary practice is NewYork-Presbyterian Hudson Valley Hospital in Cortlandt Manor, New York, part of NewYork-Presbyterian Hospital. The medical group on file is The Westchester Medical Practice. Dmand AI also links Dr. Hardin to 5 more home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Jack Hardin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hardin practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NewYork-Presbyterian Hudson Valley Hospital | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Jack Hardin is one of 1,796 hospitalists in New York
Hospitalist is Dr. Hardin's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Hardin is licensed in New York.
Specialties and state licenses
- Hospitalist, New YorkPrimary
Hospitalists near Dr. Hardin
Counts of hospitalists 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. Gregory Jack Hardin billed Medicare for 364 services in 2024
CMS data shows 364 Medicare services from Dr. Hardin across 4 procedure codes in 2024, for 129 Medicare patients. Medicare paid $33,343 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hardin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9772024: 36463%
Dr. Hardin compared with the New York median for hospitalists, 2024
- Dr. Hardin
- New York median
- Medicare services
- 364vs 3886% below
- Medicare patients
- 129vs 16321% below
- Part D claims
- 584vs 5510.6 times
Medians across 1,696 hospitalists in New York with Dmand AI profiles that report each measure.
Dr. Hardin'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. Gregory Jack Hardin treated 129 Medicare patients in 2024, average age 81
CMS counts 129 Medicare patients who saw Dr. Hardin in 2024. The largest group is 75 to 84, with 53 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 3.15, 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. Hardin's median patient age at 75, with 56% women.
Dr. Hardin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hardin's Medicare patients by sex, 2024
- Women7155%
- Men5845%
Chronic conditions among Dr. Hardin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Ischemic heart disease60%
- Heart failure56%
- COPD53%
- Diabetes53%
- Chronic kidney disease51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hardin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Jack Hardin wrote 1,094 Medicare Part D claims in 2024
In 2024, Dr. Hardin wrote 1,094 Medicare Part D claims for 346 patients. 89% of them were for generic drugs. CMS names the drug for 584 of them, across 29 drugs with 11 or more claims each, at $29,371 in total drug cost. In 2023, CMS named 172 claims across 10 drugs.
Dr. Hardin's Part D claims by kind of drug, 2024
- Generic976 claims89%
- Brand-name and other118 claims11%
Dr. Hardin'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. Hardin's Part D claims, 2024
- Antibiotics6%65 of 1,094 claims
- Antipsychotics, patients 65 and over2%18 of 1,094 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: 1722024: 584240%
Drugs named by CMS: 29 in 2024, 10 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. Gregory Jack Hardin scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Hardin for performance year 2024, reported through an alternative payment model (APM). Dr. Hardin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hardin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Hardin's MIPS scores, performance year 2024
- 100of 100Final score
- 85.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Gregory Jack Hardin received $194 in industry payments from 2016 to 2025
CMS Open Payments shows 4 general payments to Dr. Hardin from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $125.
General payments to Dr. Hardin by program year, 2016 to 2025
Companies that paid Dr. Hardin the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Jack Hardin graduated from University of Kentucky College of Medicine
Dr. Hardin graduated from University of Kentucky College of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Jack Hardin'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. Gregory Jack Hardin
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. Gregory Jack Hardin's NPI number?
Dr. Gregory Jack Hardin's NPI number is 1457677213. It was assigned on April 19, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Jack Hardin?
Dr. Gregory Jack Hardin is a hospitalist in Cortlandt Manor, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Gregory Jack Hardin practice?
Dr. Hardin practices at 1980 Crompond Road, Cortlandt Manor, NY 10567. Dr. Hardin's primary practice is NewYork-Presbyterian Hudson Valley Hospital in Cortlandt Manor, New York, part of NewYork-Presbyterian Hospital. Dmand AI also links Dr. Hardin to 5 home health agencies, 1 group practice or clinic and 1 medical group.
What is Dr. Gregory Jack Hardin's office phone number?
The practice phone on file for Dr. Hardin is (914) 734-3611.
What is Dr. Gregory Jack Hardin's medical license number?
Dr. Hardin holds New York license 271063.
Which hospitals is Dr. Gregory Jack Hardin affiliated with?
Dr. Hardin practices at NewYork-Presbyterian Hudson Valley Hospital in Cortlandt Manor, New York.
What medical group is Dr. Gregory Jack Hardin part of?
Dr. Hardin is linked to The Westchester Medical Practice. Dmand AI links Dr. Hardin to 1 more medical group.
Does Dr. Gregory Jack Hardin accept Medicare?
Yes. CMS data shows Dr. Hardin billed Medicare for 364 services in 2024, and Dr. Hardin accepts Medicare assignment.
Does Dr. Gregory Jack Hardin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hardin as offering telehealth services.
What is Dr. Gregory Jack Hardin's MIPS score?
Dr. Hardin's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Gregory Jack Hardin see?
CMS counts 129 Medicare patients who saw Dr. Hardin in 2024, with an average age of 81.
What services does Dr. Gregory Jack Hardin bill to Medicare?
In 2024, Dr. Hardin's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Gregory Jack Hardin go to medical school?
Dr. Hardin graduated from University of Kentucky College of Medicine in 2010.
What drugs does Dr. Gregory Jack Hardin prescribe most?
In 2024 Medicare Part D data, Dr. Hardin's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Pantoprazole Sodium.
Has Dr. Gregory Jack Hardin received payments from drug or device companies?
CMS Open Payments shows $194 in general payments to Dr. Hardin from 4 companies from 2016 to 2025. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Gregory Jack Hardin been practicing?
Dr. Hardin graduated from medical school in 2010, 16 years ago.
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