Physician Profile
Margaret M. Hallahan, D.O.
Unclaimed ProfileAbout Dr. Hallahan
Based in Huntingdon, PA, Margaret M. Hallahan, D.O. is listed in the NPI registry under internal medicine. Margaret graduated from Lake Erie College of Osteopathic Medicine, Erie in 2010. Margaret is also listed as specializing in hospice & palliative medicine. According to Medicare claims data, Margaret cared for 338 Medicare patients across 688 services. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes, and subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes. NPI 1972818540 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (814) 643-2290
- Email not available
Practice Locations
1225 WARM SPRINGS AVE
Huntingdon, PA 16652
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
- Sleep apnea
Mental Health
Neurologic and behavioral
Pain
- Back pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
688 services · 338 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
219 | More often than most peers in Internal Medicine |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
205 | Too few peers to compare |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
133 | More often than most peers in Internal Medicine |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
49 | As often as other peers in Internal Medicine |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
45 | As often as other peers in Internal Medicine |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
19 | Too few peers to compare |
| Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | Office visit | 99347 |
18 | Too few peers to compare |
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 internists in Huntingdon 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Lake Erie College of Osteopathic Medicine, Erie 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Lake Erie College of Osteopathic Medicine, Erie 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Margaret M. Hallahan's specialty?
Margaret M. Hallahan is an internist in Huntingdon, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Margaret M. Hallahan?
Margaret M. Hallahan is listed at 1225 Warm Springs Ave, Huntingdon, PA 16652. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Margaret M. Hallahan?
The number on file is (814) 643-2290. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Margaret M. Hallahan's NPI number?
Margaret M. Hallahan's National Provider Identifier is 1972818540. 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
What is Margaret M. Hallahan's education?
Margaret M. Hallahan attended Lake Erie College of Osteopathic Medicine, Erie, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Margaret M. Hallahan been practicing?
Margaret M. Hallahan has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What is Margaret M. Hallahan known for?
According to Medicare billing data, Margaret M. Hallahan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Margaret M. Hallahan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret M. Hallahan. If this is you, claiming it is free.
Guide.md
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