Charles Pankratz, M.D.
NPI 1689610511 · Internal Medicine Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Pankratz, M.D. is a Internal Medicine Physician provider in Ventura, CA (NPI 1689610511).
Provider details
- NPI number
- 1689610511
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A64556 (CA)
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
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
114 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 89 | $176 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 | $133 |
Typical Medicare-allowed amounts for these services range $133–$176 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 86 | 22 |
| Atorvastatin Calcium | 32 | 14 |
| Tamsulosin Hcl | 26 | — |
| Donepezil Hcl | 20 | — |
| Apixabanbrand: Eliquis | 16 | — |
| Mirabegronbrand: Myrbetriq | 15 | — |
| Latanoprost | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-20
- Last updated
- 2021-03-08
- Certified
- 2021-03-08
Frequently asked questions
- What is Charles Pankratz's NPI number?
- Charles Pankratz's National Provider Identifier (NPI) is 1689610511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Pankratz's specialty?
- Charles Pankratz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Pankratz located?
- Charles Pankratz's practice location on file with NPPES is 2705 Loma Vista Rd Ste 202, Ventura, CA 93003-1580.
- What is Charles Pankratz's phone number?
- The practice phone number listed in the NPPES registry for Charles Pankratz is (805) 667-2273.
- Does Charles Pankratz accept Medicare?
- Charles Pankratz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Pankratz's NPI active?
- Yes — Charles Pankratz's NPI (1689610511) is active in the NPPES registry as of the last update on 2021-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.