Fredric Sirkis, M.D.
NPI 1649356247 · Internal Medicine Physician · Towson, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fredric Sirkis, M.D. is a Internal Medicine Physician provider in Towson, MD (NPI 1649356247).
Provider details
- NPI number
- 1649356247
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0022645 (MD)
Specialties & taxonomies
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
46 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 31 | $76 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 15 | $109 |
Typical Medicare-allowed amounts for these services range $76–$109 (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 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 93 | 11 |
| Pantoprazole Sodium | 91 | 16 |
| Levothyroxine Sodium | 76 | 15 |
| Atorvastatin Calcium | 71 | 14 |
| Lisinopril | 69 | — |
| Gabapentin | 60 | — |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2009-03-25
Frequently asked questions
- What is Fredric Sirkis's NPI number?
- Fredric Sirkis's National Provider Identifier (NPI) is 1649356247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fredric Sirkis's specialty?
- Fredric Sirkis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fredric Sirkis located?
- Fredric Sirkis's practice location on file with NPPES is 7505 Osler Dr, Towson, MD 21204-7736.
- What is Fredric Sirkis's phone number?
- The practice phone number listed in the NPPES registry for Fredric Sirkis is (410) 296-7799.
- Does Fredric Sirkis accept Medicare?
- Fredric Sirkis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fredric Sirkis's NPI active?
- Yes — Fredric Sirkis's NPI (1649356247) is active in the NPPES registry as of the last update on 2009-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.