Dr. Nathaniel Josef Jellinek, MD
- Medicare services, 2024
- 1,116
- Medicare patients, 2024
- 406
- Part D claims, 2024
- 220
- Publications
- 68
- MIPS score, 2024
- 100
- Practice address
- 526 Main St, Acton, MA 01720
- Practice phone
- Call (401) 885-7546
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dermatology Professionals Inc.
Acton, Massachusetts
Find Dr. Jellinek'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. Nathaniel Josef Jellinek is a mohs-micrographic surgery physician in Acton, Massachusetts
Dr. Jellinek practices at Dermatology Professionals Inc. in Acton, Massachusetts.
Dr. Jellinek's NPI, 1245256528, was assigned on July 13, 2006. Dr. Jellinek graduated from University of Massachusetts Medical School in 2000. Dr. Jellinek holds Rhode Island license 11514.
- NPI
- 1245256528NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193704617
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (401) 885-7546
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathaniel Josef Jellinek practices at Dermatology Professionals Inc. in Acton, Massachusetts
Dr. Jellinek's primary practice is Dermatology Professionals Inc., at 526 Main St, Acton, MA 01720 in Middlesex County. The practice phone is (401) 885-7546.
- Dermatology Professionals Inc.526 Main St, Acton, MA 01720 · Middlesex CountyPhone(401) 885-7546
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nathaniel Josef Jellinek is affiliated with 4 sites of care and 3 medical groups
Dr. Jellinek's primary practice is Dermatology Professionals Inc. in Acton, Massachusetts. The medical group on file is Coastal Dermatology. Dmand AI also links Dr. Jellinek to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nathaniel Josef Jellinek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jellinek practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dermatology Professionals Inc. | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathaniel Josef Jellinek is one of 45 mohs-micrographic surgery physicians in Massachusetts
Mohs-micrographic surgery is Dr. Jellinek's primary specialty in the NPI Registry, under taxonomy code 207ND0101X. Dr. Jellinek is licensed in Rhode Island.
Specialties and state licenses
- Mohs-micrographic surgery, Rhode IslandPrimary
Mohs-micrographic surgery physicians near Dr. Jellinek
Counts of mohs-micrographic surgery 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. Nathaniel Josef Jellinek billed Medicare for 1,116 services in 2024
CMS data shows 1,116 Medicare services from Dr. Jellinek across 19 procedure codes in 2024, for 406 Medicare patients. Medicare paid $345,806 for them. Every service was in an office.
Dr. Jellinek's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1,8392024: 99746%
- Office and hospital visits
- 2023: 2932024: 11959%
- Drugs given in the office
- 2023: 232024: 0100%
- Lab and pathology
- 2023: 132024: 0100%
Dr. Jellinek compared with the Massachusetts median for mohs-micrographic surgery physicians, 2024
- Dr. Jellinek
- Massachusetts median
- Medicare services
- 1,116vs 1,55428% below
- Medicare patients
- 406vs 4459% below
- Part D claims
- 165vs 14514% above
Medians across 45 mohs-micrographic surgery physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Jellinek'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. Jellinek and other mohs-micrographic surgery physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathaniel Josef Jellinek treated 406 Medicare patients in 2024, average age 78
CMS counts 406 Medicare patients who saw Dr. Jellinek in 2024. The largest group is 75 to 84, with 188 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Jellinek's median patient age at 74, with 46% women.
Dr. Jellinek's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Jellinek's Medicare patients by sex, 2024
- Women20049%
- Men20651%
Chronic conditions among Dr. Jellinek's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Ischemic heart disease30%
- Anxiety23%
- Atrial fibrillation22%
- Cancer20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jellinek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathaniel Josef Jellinek wrote 220 Medicare Part D claims in 2024
In 2024, Dr. Jellinek wrote 220 Medicare Part D claims for 187 patients. 97% of them were for generic drugs. CMS names the drug for 165 of them, across 2 drugs with 11 or more claims each, at $663 in total drug cost. In 2023, CMS named 259 claims across 3 drugs.
Dr. Jellinek's Part D claims by kind of drug, 2024
- Generic214 claims97%
- Brand-name and other6 claims3%
Dr. Jellinek'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. Jellinek's Part D claims, 2024
- Antibiotics81%178 of 220 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: 2592024: 16536%
Drugs named by CMS: 2 in 2024, 3 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. Nathaniel Josef Jellinek 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. Jellinek for performance year 2024, reported individually. Dr. Jellinek accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 177 procedures of melanoma (skin cancer) excision by Dr. Jellinek, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Jellinek's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Jellinek ranks in Medicare procedure volume
- Removal of skin cancer
- 82nd percentile882 procedures
- Melanoma (skin cancer) excision
- 97th percentile177 procedures
- Skin biopsy
- 75th percentile93 procedures
- Removal of skin lesions
- 67th percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 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); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nathaniel Josef Jellinek has 68 publications on record
Dmand AI links 68 papers to Dr. Jellinek, published from 2010 to 2025. 2019 was the busiest year, with 6. The most frequent topics are Skin Neoplasms, Nail Diseases and Nails. Dr. Jellinek has published most often in Dermatol Surg. Dr. Jellinek's most frequent co-authors are Julia O. Baltz, MD, Shari Lipner and Ashlynne Harris Clark, MD.
Dr. Jellinek's papers by year, 2013 to 2025
Topics Dr. Jellinek writes about most
- Skin Neoplasms
- Nail Diseases
- Nails
- Melanoma
- Mohs Surgery
- Biopsy
- Surgical Flaps
- Diagnosis, Differential
Dr. Jellinek's most frequent co-authors
- Julia O. Baltz, MD12 shared papers
- Shari Lipner8 shared papers
- Ashlynne Harris Clark, MD4 shared papers
Recent publications by Dr. Jellinek
J Am Acad Dermatol
See who Dr. Jellinek researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Jellinek works with, so you can find a warm path to the right mohs-micrographic surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathaniel Josef Jellinek received $1,803 in industry payments from 2016 to 2025
CMS Open Payments shows 36 general payments to Dr. Jellinek from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 67% of the total. H. Lundbeck A S paid the most, $600.
General payments to Dr. Jellinek by program year, 2016 to 2025
General payments to Dr. Jellinek by kind, 2016 to 2025
- Food and beverage$1,20367%
- Honoraria$60033%
Companies that paid Dr. Jellinek 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. Nathaniel Josef Jellinek graduated from University of Massachusetts Medical School
Dr. Jellinek graduated from University of Massachusetts Medical School in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathaniel Josef Jellinek'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Nathaniel Josef Jellinek
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. Nathaniel Josef Jellinek's NPI number?
Dr. Nathaniel Josef Jellinek's NPI number is 1245256528. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathaniel Josef Jellinek?
Dr. Nathaniel Josef Jellinek is a mohs-micrographic surgery physician in Acton, Massachusetts. The primary specialty in the NPI Registry is MOHS-Micrographic Surgery Physician (taxonomy code 207ND0101X).
Where does Dr. Nathaniel Josef Jellinek practice?
Dr. Jellinek practices at 526 Main St, Acton, MA 01720. Dr. Jellinek's primary practice is Dermatology Professionals Inc. in Acton, Massachusetts. Dmand AI also links Dr. Jellinek to 3 group practices and clinics and 2 medical groups.
What is Dr. Nathaniel Josef Jellinek's office phone number?
The practice phone on file for Dr. Jellinek is (401) 885-7546.
What is Dr. Nathaniel Josef Jellinek's medical license number?
Dr. Jellinek holds Rhode Island license 11514.
What medical group is Dr. Nathaniel Josef Jellinek part of?
Dr. Jellinek is linked to Coastal Dermatology. Dmand AI links Dr. Jellinek to 2 more medical groups.
Does Dr. Nathaniel Josef Jellinek accept Medicare?
Yes. CMS data shows Dr. Jellinek billed Medicare for 1,116 services in 2024, and Dr. Jellinek accepts Medicare assignment.
What is Dr. Nathaniel Josef Jellinek's MIPS score?
Dr. Jellinek's MIPS final score for performance year 2024 is 100 out of 100, reported individually.
How many Medicare patients does Dr. Nathaniel Josef Jellinek see?
CMS counts 406 Medicare patients who saw Dr. Jellinek in 2024, with an average age of 78.
What services does Dr. Nathaniel Josef Jellinek bill to Medicare?
In 2024, Dr. Jellinek's most billed Medicare services were surgery: skin and soft tissue (17311), surgery: skin and soft tissue (17312) and surgery: bones and joints (29580).
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Where did Dr. Nathaniel Josef Jellinek go to medical school?
Dr. Jellinek graduated from University of Massachusetts Medical School in 2000.
What drugs does Dr. Nathaniel Josef Jellinek prescribe most?
In 2024 Medicare Part D data, Dr. Jellinek's most prescribed drugs by claims were Cephalexin and Doxycycline Monohydrate.
Has Dr. Nathaniel Josef Jellinek received payments from drug or device companies?
CMS Open Payments shows $1,803 in general payments to Dr. Jellinek from 19 companies from 2016 to 2025. The largest total came from H. Lundbeck A S.
How long has Dr. Nathaniel Josef Jellinek been practicing?
Dr. Jellinek graduated from medical school in 2000, 26 years ago.
Does Dr. Nathaniel Josef Jellinek do research?
Dmand AI links 68 publications to Dr. Jellinek, published from 2010 to 2025.
Who does Dr. Nathaniel Josef Jellinek publish with?
Dr. Jellinek's most frequent co-authors are Julia O. Baltz, MD (12 shared papers), Shari Lipner (8 shared papers) and Ashlynne Harris Clark, MD (4 shared papers).
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