Charles Berk, MD
NPI 1144274150 · Family Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Berk, MD is a Family Medicine Physician provider in Brooklyn, NY (NPI 1144274150).
Provider details
- NPI number
- 1144274150
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 173438 (NY)
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
20 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
262 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 101 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $104 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 60 | $6 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 20 | $18 |
| Administration of Influenza Virus VaccineG0008 | 13 | $37 |
Typical Medicare-allowed amounts for these services range $6–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 67 | 25 |
| Amlodipine Besylate | 46 | 18 |
| Zolpidem Tartrate | 42 | — |
| Losartan Potassium | 32 | 13 |
| Pravastatin Sodium | 23 | — |
| Levothyroxine Sodium | 22 | — |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-22
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Charles Berk's NPI number?
- Charles Berk's National Provider Identifier (NPI) is 1144274150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Berk's specialty?
- Charles Berk is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Berk located?
- Charles Berk's practice location on file with NPPES is 794 Union St, Brooklyn, NY 11215-1307.
- What is Charles Berk's phone number?
- The practice phone number listed in the NPPES registry for Charles Berk is (212) 624-1077.
- Does Charles Berk accept Medicare?
- Charles Berk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Berk's NPI active?
- Yes — Charles Berk's NPI (1144274150) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.