Dr. Erin Hazel Penn, MD
- Medicare services, 2024
- 497
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 800
- MIPS score, 2024
- 81
- Hospital affiliations
- 2
- Practice address
- 45 Reade Pl, Poughkeepsie, NY 12601
- Practice phone
- Call (845) 483-6604
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vassar Brothers Medical Center (Legacy Hospital - Building B)
Poughkeepsie, New York
Find Dr. Penn's professional email, personal email and mobile number
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Dr. Erin Hazel Penn is a rheumatologist in Poughkeepsie, New York
Dr. Penn practices at Vassar Brothers Medical Center (Legacy Hospital - Building B) in Poughkeepsie, New York.
Dr. Penn's NPI, 1356755672, was assigned on June 14, 2014. Dr. Penn graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2014. Dr. Penn holds Ohio license 35.139010.
- NPI
- 1356755672NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183842032
- NPI enumeration date
- June 14, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (845) 483-6604
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erin Hazel Penn practices at Vassar Brothers Medical Center (Legacy Hospital - Building B) in Poughkeepsie, New York
Dr. Penn's primary practice is Vassar Brothers Medical Center (Legacy Hospital - Building B), at 45 Reade Pl, Poughkeepsie, NY 12601 in Dutchess County. The practice phone is (845) 483-6604.
- Vassar Brothers Medical Center (Legacy Hospital - Building B)45 Reade Pl, Poughkeepsie, NY 12601 · Dutchess CountyPhone(845) 483-6604
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Erin Hazel Penn is affiliated with 3 sites of care and 1 medical group
Dr. Penn's primary practice is Vassar Brothers Medical Center (Legacy Hospital - Building B) in Poughkeepsie, New York. Dr. Penn is also affiliated with Vassar Brothers Medical Center. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Penn to 1 more hospital, 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. Erin Hazel Penn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Penn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vassar Brothers Medical Center (Legacy Hospital - Building B) | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erin Hazel Penn is one of 514 rheumatologists in New York
Rheumatology is Dr. Penn's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dmand AI has Dr. Penn's licenses on file in 2 states: Ohio and Massachusetts.
Specialties and state licenses
- Rheumatology, OhioPrimary
- Internal medicine, Massachusetts
Rheumatologists near Dr. Penn
Counts of rheumatologists 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. Erin Hazel Penn billed Medicare for 497 services in 2024
CMS data shows 497 Medicare services from Dr. Penn across 6 procedure codes in 2024, for 129 Medicare patients. Medicare paid $35,311 for them. Every service was in an office.
Dr. Penn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2262024: 28727%
- Other services
- 2023: 02024: 210
Dr. Penn compared with the New York median for rheumatologists, 2024
- Dr. Penn
- New York median
- Medicare services
- 497vs 56512% below
- Medicare patients
- 129vs 17627% below
- Part D claims
- 626vs 92132% below
Medians across 509 rheumatologists in New York with Dmand AI profiles that report each measure.
Dr. Penn'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Penn and other rheumatologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erin Hazel Penn treated 129 Medicare patients in 2024, average age 73
CMS counts 129 Medicare patients who saw Dr. Penn in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have arthritis, and 75% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Penn's median patient age at 58, with 76% women.
Dr. Penn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Penn's Medicare patients by sex, 2024
- Women10380%
- Men2620%
Chronic conditions among Dr. Penn's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease37%
- Osteoporosis24%
- Anxiety23%
- Diabetes22%
- COPD19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Penn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women76%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erin Hazel Penn wrote 800 Medicare Part D claims in 2024
In 2024, Dr. Penn wrote 800 Medicare Part D claims for 135 patients. 77% of them were for generic drugs. CMS names the drug for 626 of them, across 21 drugs with 11 or more claims each, at $820,858 in total drug cost. In 2023, CMS named 393 claims across 14 drugs.
Dr. Penn's Part D claims by kind of drug, 2024
- Generic617 claims77%
- Brand-name183 claims23%
Dr. Penn'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3932024: 62659%
Drugs named by CMS: 21 in 2024, 14 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. Erin Hazel Penn scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Penn for performance year 2024, reported as part of a group. Dr. Penn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Penn as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Penn's MIPS scores, performance year 2024
- 81of 100Final score
- 63of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 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. Erin Hazel Penn received $1,351 in industry payments from 2017 to 2025
CMS Open Payments shows 21 general payments to Dr. Penn from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 78% of the total. Abbvie Inc. paid the most, $311.
General payments to Dr. Penn by program year, 2017 to 2025
General payments to Dr. Penn by kind, 2017 to 2025
- Food and beverage$1,05978%
- Education$29222%
Companies that paid Dr. Penn the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Erin Hazel Penn graduated from Sidney Kimmel Medical College at Thomas Jefferson University
Dr. Penn graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Erin Hazel Penn'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) |
| 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. Erin Hazel Penn
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. Erin Hazel Penn's NPI number?
Dr. Erin Hazel Penn's NPI number is 1356755672. It was assigned on June 14, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Erin Hazel Penn?
Dr. Erin Hazel Penn is a rheumatologist in Poughkeepsie, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Erin Hazel Penn practice?
Dr. Penn practices at 45 Reade Pl, Poughkeepsie, NY 12601. Dr. Penn's primary practice is Vassar Brothers Medical Center (Legacy Hospital - Building B) in Poughkeepsie, New York. Dmand AI also links Dr. Penn to 1 hospital.
What is Dr. Erin Hazel Penn's office phone number?
The practice phone on file for Dr. Penn is (845) 483-6604.
What is Dr. Erin Hazel Penn's medical license number?
Dr. Penn holds Ohio license 35.139010, one of the licenses on file in 2 states.
Which states has Dr. Erin Hazel Penn been licensed in?
Dmand AI has state licenses on file for Dr. Penn in Ohio and Massachusetts.
Which hospitals is Dr. Erin Hazel Penn affiliated with?
Dr. Penn is affiliated with Vassar Brothers Medical Center. Dmand AI links Dr. Penn to 1 more hospital.
What medical group is Dr. Erin Hazel Penn part of?
Dr. Penn is linked to Danbury Medical Group.
Does Dr. Erin Hazel Penn accept Medicare?
Yes. CMS data shows Dr. Penn billed Medicare for 497 services in 2024, and Dr. Penn accepts Medicare assignment.
Does Dr. Erin Hazel Penn offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Penn as offering telehealth services.
Show 7 more questionsShow fewer questions
What is Dr. Erin Hazel Penn's MIPS score?
Dr. Penn's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Erin Hazel Penn see?
CMS counts 129 Medicare patients who saw Dr. Penn in 2024, with an average age of 73.
What services does Dr. Erin Hazel Penn bill to Medicare?
In 2024, Dr. Penn's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, new patient (99205).
Where did Dr. Erin Hazel Penn go to medical school?
Dr. Penn graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2014.
What drugs does Dr. Erin Hazel Penn prescribe most?
In 2024 Medicare Part D data, Dr. Penn's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methotrexate.
Has Dr. Erin Hazel Penn received payments from drug or device companies?
CMS Open Payments shows $1,351 in general payments to Dr. Penn from 8 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Erin Hazel Penn been practicing?
Dr. Penn graduated from medical school in 2014, 12 years ago.
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