Chakradhar Penta, MD, BS
NPI 1689881039 · Physical Medicine & Rehabilitation Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chakradhar Penta, MD, BS is a Physical Medicine & Rehabilitation Physician provider in Fontana, CA (NPI 1689881039).
Provider details
- NPI number
- 1689881039
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, BS
- Sex
- Male
- Sole proprietor
- No
- License
- A98881 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 121 | 65 |
| Duloxetine Hcl | 79 | 45 |
| Venlafaxine Hcl | 77 | 48 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 75 | 46 |
| Topiramate | 52 | 31 |
| Calcitonin,salmon,syntheticbrand: Calcitonin-Salmon | 27 | 15 |
| Pregabalin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-16
- Last updated
- 2021-11-29
Frequently asked questions
- What is Chakradhar Penta's NPI number?
- Chakradhar Penta's National Provider Identifier (NPI) is 1689881039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chakradhar Penta's specialty?
- Chakradhar Penta is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Chakradhar Penta located?
- Chakradhar Penta's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Chakradhar Penta's phone number?
- The practice phone number listed in the NPPES registry for Chakradhar Penta is (909) 427-3945.
- Does Chakradhar Penta accept Medicare?
- Chakradhar Penta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chakradhar Penta's NPI active?
- Yes — Chakradhar Penta's NPI (1689881039) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.