Francis Freisinger, MD
NPI 1669694618 · Internal Medicine Physician · Silver Spring, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Francis Freisinger, MD is a Internal Medicine Physician provider in Silver Spring, MD (NPI 1669694618).
Provider details
- NPI number
- 1669694618
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0070427 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
43 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 43 | $167 |
Typical Medicare-allowed amounts for these services range $167–$167 (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 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 214 | 73 |
| Pantoprazole Sodium | 154 | 53 |
| Gabapentin | 150 | 49 |
| Furosemide | 111 | 38 |
| Levothyroxine Sodium | 106 | 35 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 89 | 31 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-02
- Last updated
- 2021-05-31
- Certified
- 2021-05-31
Frequently asked questions
- What is Francis Freisinger's NPI number?
- Francis Freisinger's National Provider Identifier (NPI) is 1669694618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francis Freisinger's specialty?
- Francis Freisinger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Francis Freisinger located?
- Francis Freisinger's practice location on file with NPPES is 1500 Forest Glen Rd, Silver Spring, MD 20910-1483.
- What is Francis Freisinger's phone number?
- The practice phone number listed in the NPPES registry for Francis Freisinger is (301) 905-3600.
- Does Francis Freisinger accept Medicare?
- Francis Freisinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Francis Freisinger's NPI active?
- Yes — Francis Freisinger's NPI (1669694618) is active in the NPPES registry as of the last update on 2021-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.