Heather Chalfin

  • Frederick, MD
  • Urologist
NPI1750652152PAC ID9638319064
Medicare services, 2024
984
Medicare patients, 2024
365
Part D claims, 2024
423
Publications
22
MIPS score, 2024
83
Practice address
400 West Seventh St, Frederick, MD 21701
Practice phone
Call (240) 566-3300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Frederick Health Hospital

Hospital · Frederick, Maryland

See all 4 affiliations

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Heather Chalfin is a urologist in Frederick, Maryland

Heather Chalfin practices at Frederick Health Hospital in Frederick, Maryland, part of Frederick Health.

Heather Chalfin's NPI, 1750652152, was assigned on January 18, 2012. Heather Chalfin graduated from Johns Hopkins University School of Medicine in 2013. Heather Chalfin holds Maryland license D0088964.

NPI and contact details
Medicare PAC ID
9638319064
NPI enumeration date
January 18, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(240) 566-3300
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
39
Medical school graduation
2013

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

Heather Chalfin practices at Frederick Health Hospital in Frederick, Maryland

Heather Chalfin's primary practice is Frederick Health Hospital, at 400 West Seventh St, Frederick, MD 21701 in Frederick County. The practice phone is (240) 566-3300.

Source: Dmand AI Affiliation Data

Heather Chalfin is affiliated with 2 sites of care and 2 medical groups

Heather Chalfin's primary practice is Frederick Health Hospital in Frederick, Maryland, part of Frederick Health. The medical group on file is Frederick Health Medical Group. Dmand AI also links Heather Chalfin to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Heather Chalfin

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

Dmand AI tracks the EHR system at Heather Chalfin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Heather Chalfin practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Frederick Health HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Heather Chalfin is one of 268 urologists in Maryland

Urology is Heather Chalfin's primary specialty in the NPI Registry, under taxonomy code 208800000X. Heather Chalfin is licensed in Maryland.

Specialties and state licenses

  • Urology, MarylandPrimaryLicense D0088964 · taxonomy 208800000X

Urologists near Heather Chalfin

Counts of urologists 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

Heather Chalfin billed Medicare for 984 services in 2024

CMS data shows 984 Medicare services from Heather Chalfin across 17 procedure codes in 2024, for 365 Medicare patients. Medicare paid $98,710 for them.

Medicare services, 2024984
Medicare patients365
Paid by Medicare$98,710
Procedure codes17

Heather Chalfin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5732024: 50412%
Surgery
2023: 4292024: 31626%
Imaging
2023: 882024: 13857%
Lab and pathology
2023: 402024: 2635%

Where Heather Chalfin's Medicare services took place, 2024

  • In an office88190%
  • In a facility10310%

Heather Chalfin compared with the Maryland median for urologists, 2024

  • Heather Chalfin
  • Maryland median
Medicare services
984vs 2,52261% below
Medicare patients
365vs 69047% below
Part D claims
369vs 60039% below

Medians across 265 urologists in Maryland with Dmand AI profiles that report each measure.

Heather Chalfin'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.

See all procedures by Heather Chalfin

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Heather Chalfin treated 365 Medicare patients in 2024, average age 74

CMS counts 365 Medicare patients who saw Heather Chalfin in 2024. The largest group is 65 to 74, with 198 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Heather Chalfin's median patient age at 67, with 23% women.

Medicare patients, 2024365
Average age74
Average risk score1.31
Also on Medicaid11%

Heather Chalfin's Medicare patients by age, 2024

Heather Chalfin's Medicare patients by sex, 2024

  • Women8624%
  • Men27976%

Chronic conditions among Heather Chalfin's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer54%
  4. Arthritis43%
  5. Ischemic heart disease37%
  6. Diabetes34%
  7. Mood disorders25%
  8. Anxiety24%

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

Heather Chalfin's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women23%
  • Men76%

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

Heather Chalfin wrote 423 Medicare Part D claims in 2024

In 2024, Heather Chalfin wrote 423 Medicare Part D claims for 148 patients. 99% of them were for generic drugs. CMS names the drug for 369 of them, across 9 drugs with 11 or more claims each, at $6,986 in total drug cost. In 2023, CMS named 372 claims across 11 drugs.

Part D claims, 2024423
Drugs named by CMS9
Total drug cost$6,986
Part D patients148

Heather Chalfin's Part D claims by kind of drug, 2024

  • Generic419 claims99%
  • Brand-name and other4 claims1%

Heather Chalfin'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 Heather Chalfin's Part D claims, 2024

  • Antibiotics18%77 of 423 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: 3722024: 3691%

Drugs named by CMS: 9 in 2024, 11 in 2023.

See all prescribing by Heather Chalfin

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

Heather Chalfin scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Heather Chalfin for performance year 2024, reported as part of a group. Heather Chalfin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Heather Chalfin as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Heather Chalfin's MIPS scores, performance year 2024

  • 83of 100Final score
  • 75.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 68of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Prostate resection: 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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Heather Chalfin has 22 publications on record

Dmand AI links 22 papers to Heather Chalfin, published from 2016 to 2024. 2016 was the busiest year, with 5. The most frequent topics are Prostatic Neoplasms, Anilides and Antineoplastic Combined Chemotherapy Protocols. Heather Chalfin has published most often in J Clin Oncol. Heather Chalfin's most frequent co-authors are Sandeep Gurram, MD, Scot A. Niglio and Primo Nery Lara, MD.

Papers22
Years published2016 to 2024

Heather Chalfin's papers by year, 2016 to 2024

Topics Heather Chalfin writes about most

  • Prostatic Neoplasms
  • Anilides
  • Antineoplastic Combined Chemotherapy Protocols
  • Carcinoma, Transitional Cell
  • Nivolumab
  • Prostatectomy
  • Pyridines
  • Urinary Bladder Neoplasms

Heather Chalfin's most frequent co-authors

Recent publications by Heather Chalfin

See all 22 publications and co-authors

See who Heather Chalfin researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Heather Chalfin works with, so you can find a warm path to the right urologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Heather Chalfin received $10,029 in industry payments from 2022 to 2025

CMS Open Payments shows 43 general payments to Heather Chalfin from 18 drug and device companies from 2022 to 2025. Consulting fees make up the largest share, 84% of the total. Ferring Pharmaceuticals Inc. paid the most, $5,524.

General payments to Heather Chalfin by program year, 2022 to 2025

General payments to Heather Chalfin by kind, 2022 to 2025

$10Kin total
  • Consulting fees$8,46384%
  • Food and beverage$1,45715%
  • Travel and lodging$741%
  • Education$350%

Companies that paid Heather Chalfin the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Heather Chalfin

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

Heather Chalfin graduated from Johns Hopkins University School of Medicine

Heather Chalfin graduated from Johns Hopkins University School of Medicine in 2013.

  1. Medical schoolJohns Hopkins University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Heather Chalfin'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)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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (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 Heather Chalfin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Heather Chalfin's NPI number?

Heather Chalfin's NPI number is 1750652152. It was assigned on January 18, 2012, and it is active in the NPI Registry.

What does Heather Chalfin specialize in?

Heather Chalfin is a urologist in Frederick, Maryland. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Heather Chalfin practice?

Heather Chalfin practices at 400 West Seventh St, Frederick, MD 21701. Heather Chalfin's primary practice is Frederick Health Hospital in Frederick, Maryland, part of Frederick Health. Dmand AI also links Heather Chalfin to 1 group practice or clinic and 1 medical group.

What is Heather Chalfin's office phone number?

The practice phone on file for Heather Chalfin is (240) 566-3300.

What is Heather Chalfin's medical license number?

Heather Chalfin holds Maryland license D0088964.

Which hospitals is Heather Chalfin affiliated with?

Heather Chalfin practices at Frederick Health Hospital in Frederick, Maryland.

What medical group is Heather Chalfin part of?

Heather Chalfin is linked to Frederick Health Medical Group. Dmand AI links Heather Chalfin to 1 more medical group.

Does Heather Chalfin accept Medicare?

Yes. CMS data shows Heather Chalfin billed Medicare for 984 services in 2024, and Heather Chalfin accepts Medicare assignment.

Does Heather Chalfin offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Heather Chalfin as offering telehealth services.

What is Heather Chalfin's MIPS score?

Heather Chalfin's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Heather Chalfin see?

CMS counts 365 Medicare patients who saw Heather Chalfin in 2024, with an average age of 74.

What services does Heather Chalfin bill to Medicare?

In 2024, Heather Chalfin's most billed Medicare services were office visit, established patient (99214), surgery: urinary system (52000) and office visit, established patient (99215).

Where did Heather Chalfin go to medical school?

Heather Chalfin graduated from Johns Hopkins University School of Medicine in 2013.

What drugs does Heather Chalfin prescribe most?

In 2024 Medicare Part D data, Heather Chalfin's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Sulfamethoxazole-Trimethoprim.

Has Heather Chalfin received payments from drug or device companies?

CMS Open Payments shows $10,029 in general payments to Heather Chalfin from 18 companies from 2022 to 2025. The largest total came from Ferring Pharmaceuticals Inc.

How long has Heather Chalfin been practicing?

Heather Chalfin graduated from medical school in 2013, 13 years ago.

Does Heather Chalfin do research?

Dmand AI links 22 publications to Heather Chalfin, published from 2016 to 2024.

Who does Heather Chalfin publish with?

Heather Chalfin's most frequent co-authors are Sandeep Gurram, MD (5 shared papers), Scot A. Niglio (5 shared papers) and Primo Nery Lara, MD (4 shared papers).

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