Quick answers
- Does Pamela Barstow accept Medicare assignment?
- Yes. Medicare's clinician data says Pamela Barstow accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Pamela Barstow see?
- In 2024, CMS data shows 54 Original Medicare patients and 102 services for Pamela Barstow. This counts Original Medicare only and measures volume, not quality.
- What is Pamela Barstow's NPI number?
- 1821470246. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Pamela Barstow, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 54 |
|---|---|
| Services billed to Medicare | 102 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)29 services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)23 services
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)14 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol72%
- Arthritis59%
- High blood pressure52%
- Osteoporosis24%
- Anxiety20%
Hospitals where Pamela Barstow works
Medicare's Facility Affiliation Data lists Pamela Barstow at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Reston Hospital CenterReston, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490107
Practice locations
Addresses where Pamela Barstow is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 15225 Shady Grove Rd, Suite 306Rockville, MD 20850 (301) 869‑7644
- 1800 Town Ctr Dr, Suite 220Reston, VA 20190 (703) 435‑2555
- 2301 Research Blvd, Suite 210Rockville, MD 20850 (301) 569‑6301
- 2301 Research Blvd, Suite 215Rockville, MD 20850 (301) 424‑3444
- 9420 Key W Ave, Suite 415Rockville, MD 20850 (301) 279‑9400
Group practices
Medicare enrollment lists Pamela Barstow as a member of these groups (CMS data updated October 2, 2026).
- Capital Womens Care LLC281 clinicians in the group
- Loudoun Medical Group, PC271 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Other clinicians in Capital Womens Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821470246 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians