Physician Profile
Based in Bethesda, MD, Margaret N. Alexander, MD is listed in the NPI registry under gynecologic oncology. Margaret graduated from Yale University School of Medicine in 1986. According to Medicare claims data, Margaret cared for 79 Medicare patients across 91 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, annual depression screening, 5 to 15 minutes, and screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
9100 OLD GEORGETOWN RD
Bethesda, MD 20814
91 services · 79 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
37 | As often as other peers in Gynecologic Oncology |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
22 | Too few peers to compare |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
16 | As often as other peers in Gynecologic Oncology |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
16 | Less often than most peers in Gynecologic Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Alexander is a gynecologic oncology in Bethesda, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Alexander is listed at 9100 Old Georgetown Rd, Bethesda, MD 20814. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (301) 564-4966. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Alexander's National Provider Identifier is 1912176512. 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. Alexander attended Yale University School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
Dr. Alexander has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Alexander 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. Alexander. 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.