Dr. Erin K. Haser, MD
- Medicare services, 2024
- 766
- Medicare patients, 2024
- 438
- Part D claims, 2024
- 402
- Hospital affiliations
- 3
- Industry payments
- $1,857
- Practice address
- 321 Billerica Road, Chelmsford, MA 01824
- Practice phone
- Call (978) 685-4867
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgisite North
Surgery Center - Medicare-Certified · Chelmsford, Massachusetts
Find Dr. Haser'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. Erin K. Haser is an otolaryngologist in Chelmsford, Massachusetts
Dr. Haser practices at Surgisite North in Chelmsford, Massachusetts.
Dr. Haser's NPI, 1396158507, was assigned on June 5, 2014. Dr. Haser graduated from University of Maryland School of Medicine in 2014. Dr. Haser holds Massachusetts license 260097.
- NPI
- 1396158507NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466751052
- NPI enumeration date
- June 5, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 685-4867
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erin K. Haser practices at Surgisite North in Chelmsford, Massachusetts
Dr. Haser's primary practice is Surgisite North, at 321 Billerica Road, Chelmsford, MA 01824. The practice phone is (978) 685-4867.
- Surgisite North321 Billerica Road, Chelmsford, MA 01824Phone(978) 685-4867
Source: Dmand AI Affiliation Data
Dr. Erin K. Haser is affiliated with 5 sites of care and 1 medical group
Dr. Haser's primary practice is Surgisite North in Chelmsford, Massachusetts. Dr. Haser is also affiliated with Lowell General Hospital. The medical group on file is Massachusetts Ear, Nose and Throat Associates. Dmand AI also links Dr. Haser to 2 more hospitals and 1 group practice or clinic, 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. Erin K. Haser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haser practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgisite North | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erin K. Haser is one of 308 otolaryngologists in Massachusetts
Otolaryngology is Dr. Haser's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Haser is licensed in Massachusetts.
Specialties and state licenses
- Otolaryngology, MassachusettsPrimary
Otolaryngologists near Dr. Haser
Counts of otolaryngologists 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 K. Haser billed Medicare for 766 services in 2024
CMS data shows 766 Medicare services from Dr. Haser across 10 procedure codes in 2024, for 438 Medicare patients. Medicare paid $63,886 for them. Every service was in an office.
Dr. Haser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4722024: 51810%
- Surgery
- 2023: 1752024: 19612%
- Other services
- 2023: 532024: 4123%
- Tests and treatments
- 2023: 652024: 1183%
Dr. Haser compared with the Massachusetts median for otolaryngologists, 2024
- Dr. Haser
- Massachusetts median
- Medicare services
- 766vs 744Close to median
- Medicare patients
- 438vs 36321% above
- Part D claims
- 320vs 893.6 times
Medians across 303 otolaryngologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Haser'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.
Need commercial claims for Dr. Haser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Haser and other otolaryngologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erin K. Haser treated 438 Medicare patients in 2024, average age 73
CMS counts 438 Medicare patients who saw Dr. Haser in 2024. The largest group is 65 to 74, with 196 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Haser's median patient age at 56, with 54% women.
Dr. Haser's Medicare patients by age, 2024
Dr. Haser's Medicare patients by sex, 2024
- Women27964%
- Men15936%
Chronic conditions among Dr. Haser's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis45%
- Anxiety31%
- Mood disorders28%
- Ischemic heart disease27%
- Diabetes26%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Haser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erin K. Haser wrote 402 Medicare Part D claims in 2024
In 2024, Dr. Haser wrote 402 Medicare Part D claims for 182 patients. 95% of them were for generic drugs. CMS names the drug for 320 of them, across 12 drugs with 11 or more claims each, at $7,104 in total drug cost. In 2023, CMS named 283 claims across 11 drugs.
Dr. Haser's Part D claims by kind of drug, 2024
- Generic381 claims95%
- Brand-name21 claims5%
Dr. Haser'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. Haser's Part D claims, 2024
- Opioids3%11 of 402 claims
- Antibiotics12%47 of 402 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: 2832024: 32013%
Drugs named by CMS: 12 in 2024, 11 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
How Dr. Erin K. Haser takes part in Medicare
Dr. Haser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Erin K. Haser received $1,857 in industry payments from 2017 to 2025
CMS Open Payments shows 36 general payments to Dr. Haser from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 90% of the total. Inspire Medical Systems, Inc. paid the most, $1,378.
General payments to Dr. Haser by program year, 2017 to 2025
General payments to Dr. Haser by kind, 2017 to 2025
- Food and beverage$1,67690%
- Education$1679%
- Travel and lodging$151%
Companies that paid Dr. Haser 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 K. Haser graduated from University of Maryland School of Medicine
Dr. Haser graduated from University of Maryland School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Erin K. Haser'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)Doctors and Clinicians Utilization Data (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 K. Haser
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 K. Haser's NPI number?
Dr. Erin K. Haser's NPI number is 1396158507. It was assigned on June 5, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Erin K. Haser?
Dr. Erin K. Haser is an otolaryngologist in Chelmsford, Massachusetts. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Erin K. Haser practice?
Dr. Haser practices at 321 Billerica Road, Chelmsford, MA 01824. Dr. Haser's primary practice is Surgisite North in Chelmsford, Massachusetts. Dmand AI also links Dr. Haser to 2 hospitals and 1 group practice or clinic.
What is Dr. Erin K. Haser's office phone number?
The practice phone on file for Dr. Haser is (978) 685-4867.
What is Dr. Erin K. Haser's medical license number?
Dr. Haser holds Massachusetts license 260097.
Which hospitals is Dr. Erin K. Haser affiliated with?
Dr. Haser is affiliated with Lowell General Hospital. Dmand AI links Dr. Haser to 2 more hospitals.
What medical group is Dr. Erin K. Haser part of?
Dr. Haser is linked to Massachusetts Ear, Nose and Throat Associates.
Does Dr. Erin K. Haser accept Medicare?
Yes. CMS data shows Dr. Haser billed Medicare for 766 services in 2024, and Dr. Haser accepts Medicare assignment.
How many Medicare patients does Dr. Erin K. Haser see?
CMS counts 438 Medicare patients who saw Dr. Haser in 2024, with an average age of 73.
What services does Dr. Erin K. Haser bill to Medicare?
In 2024, Dr. Haser's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Erin K. Haser go to medical school?
Dr. Haser graduated from University of Maryland School of Medicine in 2014.
What drugs does Dr. Erin K. Haser prescribe most?
In 2024 Medicare Part D data, Dr. Haser's most prescribed drugs by claims were Ipratropium Bromide, Azelastine HCl and Fluticasone Propionate.
Has Dr. Erin K. Haser received payments from drug or device companies?
CMS Open Payments shows $1,857 in general payments to Dr. Haser from 3 companies from 2017 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Dr. Erin K. Haser been practicing?
Dr. Haser graduated from medical school in 2014, 12 years ago.
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