Rebecca Shaffer, MD
NPI 1104932805 · Infectious Disease Physician · Silver Spring, MD
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Shaffer, MD is a Infectious Disease Physician provider in Silver Spring, MD (NPI 1104932805).
Provider details
- NPI number
- 1104932805
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0064825 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
690 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 475 | $81 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 153 | $139 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $98 |
Typical Medicare-allowed amounts for these services range $81–$141 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 74 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 43 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 36 |
| Atorvastatin Calcium | 19 |
| Darunavir/Cob/Emtri/Tenof Alafbrand: Symtuza | 17 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 17 |
| Emtricitab/Rilpiviri/Tenof Alabrand: Odefsey | 14 |
| Dolutegravir/Rilpivirinebrand: Juluca | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$734 across 38 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2013-12-17
Frequently asked questions
- What is Rebecca Shaffer's NPI number?
- Rebecca Shaffer's National Provider Identifier (NPI) is 1104932805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Shaffer's specialty?
- Rebecca Shaffer is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Shaffer located?
- Rebecca Shaffer's practice location on file with NPPES is 8630 Fenton Street, Silver Spring, MD 20910.
- What is Rebecca Shaffer's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Shaffer is (301) 588-2525.
- Does Rebecca Shaffer accept Medicare?
- Rebecca Shaffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Shaffer's NPI active?
- Yes — Rebecca Shaffer's NPI (1104932805) is active in the NPPES registry as of the last update on 2013-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.