Physician Profile
Alyssa D. Ammazzalorso, MD is a hospitalist based in Philadelphia, PA. Alyssa is a 2019 graduate of Albert Einstein College of Medicine of Yeshiva University. Alyssa is also listed as specializing in internal medicine. According to Medicare claims data, Alyssa cared for 150 Medicare patients across 223 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. The provider's National Provider Identifier (NPI) is 1861953424.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3400 SPRUCE ST
Philadelphia, PA 19104
Within Hospital 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.
Allergic Reactions
Blood Clots
Blood Disorders
Brain & nerves
Brain & Nerves
Breathing & lungs
Digestive health
Emergencies
Endocrine
General medical
Heart & Circulation
Heart & circulation
Hormones & diabetes
Infections
Kidney & urinary
Liver & Digestive
Lung Infections
Lungs & Breathing
Nutrition
Access & tubes
Addiction Medicine
Airway & Breathing
Breathing support
Critical Care
Diagnostic procedures
Diagnostic Testing
Draining fluids
Emergency Care
Heart Procedures
Hospital services
Joint Procedures
Kidney Care
Lung Procedures
Medication & fluids
Mental Health
Neurological Care
Nutrition Support
Rehabilitation
Urinary Care
223 services · 150 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
107 | As often as other peers in Hospitalist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
36 | Less often than most peers in Hospitalist |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
33 | As often as other peers in Hospitalist |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
19 | Less often than most peers in Hospitalist |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
16 | Less often than most peers in Hospitalist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
12 | Less often than most peers in Hospitalist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ammazzalorso is a hospitalist in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Ammazzalorso is listed at 3400 Spruce St, Philadelphia, PA 19104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (215) 662-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Ammazzalorso's National Provider Identifier is 1861953424. 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
Dr. Ammazzalorso attended Albert Einstein College of Medicine of Yeshiva University, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ammazzalorso has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ammazzalorso 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ammazzalorso. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.