Provider Profile
Haley A. Callahan
Unclaimed ProfileAbout Haley Callahan
Listed in the NPI registry as a physician assistant, Haley A. Callahan practices in North Andover, MA. Haley is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Haley cared for 1,722 Medicare patients across 2,717 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (978) 691-5690
- Email not available
Practice Locations
198 MASSACHUSETTS AVE
North Andover, MA 01845
Procedures Most Often Billed to Medicare
2,717 services · 1,722 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
904 | More often than most peers in Physician Assistant |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
414 | More often than most peers in Physician Assistant |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
189 | More often than most peers in Physician Assistant |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
175 | More often than most peers in Physician Assistant |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
35 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
708 | More than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
93 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
81 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
81 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
23 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in North Andover 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Haley A. Callahan specialize in?
Haley A. Callahan is a physician assistant in North Andover, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Haley A. Callahan located?
Haley A. Callahan is listed at 198 Massachusetts Ave, North Andover, MA 01845. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Haley A. Callahan's phone number?
The number on file is (978) 691-5690. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Haley A. Callahan's NPI number?
Haley A. Callahan's National Provider Identifier is 1154969632. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Haley A. Callahan train?
Haley A. Callahan attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Haley A. Callahan been practicing?
Haley A. Callahan has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Haley A. Callahan do most often?
According to Medicare billing data, Haley A. Callahan performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Haley A. Callahan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Haley A. Callahan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.