Physician Profile
Based in Newtown Square, PA, Maria C. Demario, DO is listed in the NPI registry under family practice. Maria graduated from Philadelphia College of Osteopathic Medicine in 1991. Maria is also listed as specializing in family medicine. According to Medicare claims data, Maria cared for 2,334 Medicare patients across 2,688 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and annual alcohol misuse screening, 5 to 15 minutes. NPI 1891792768 identifies this record in the national registry.
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.
4667 W CHESTER PIKE
Newtown Square, PA 19073
Within Family 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.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
2,688 services · 2,334 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
18 | Less often than most peers in Family Practice |
| Administration and interpretation of patient-focused health risk assessment | Treatment | 96160 |
289 | More than most peers in Family Practice |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
86 | More often than most peers in Family Practice |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
44 | More often than most peers in Family Practice |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
29 | Less often than most peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
19 | As often as other peers in Family Practice |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
29 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
406 | More than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
292 | More often than most peers in Family Practice |
| Annual alcohol misuse screening, 5 to 15 minutes | Billing code | G0442 |
289 | More than most peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Demario is a family practice in Newtown Square, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Demario is listed at 4667 W Chester Pike, Newtown Square, PA 19073. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (610) 356-7870. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Demario's National Provider Identifier is 1891792768. 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. Demario attended Philadelphia College of Osteopathic Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Dr. Demario has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Demario performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as administration and interpretation of patient-focused health risk assessment and influenza vaccine split virus, preservative free, alongside routine visits and testing. 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. Demario. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.