Ela Grigorian, MD
NPI 1598937468 · Family Medicine Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ela Grigorian, MD is a Family Medicine Physician provider in Fontana, CA (NPI 1598937468).
Provider details
- NPI number
- 1598937468
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A101344 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
185 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 66 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $94 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 36 | $25 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 16 | $20 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 15 | $20 |
Typical Medicare-allowed amounts for these services range $9–$94 (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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 208 | 102 |
| Metformin Hcl | 161 | 78 |
| Lisinopril | 125 | 61 |
| Amlodipine Besylate | 110 | 57 |
| Losartan Potassium | 99 | 43 |
| Levothyroxine Sodium | 97 | 39 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$104 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 23080 Alessandro Blvd Ste 202Moreno Valley, CA 92553-9674Phone: (951) 697-7866Fax: (951) 697-7869
Registry dates
- Enumerated
- 2008-03-31
- Last updated
- 2024-07-16
- Certified
- 2024-07-16
Frequently asked questions
- What is Ela Grigorian's NPI number?
- Ela Grigorian's National Provider Identifier (NPI) is 1598937468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ela Grigorian's specialty?
- Ela Grigorian is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ela Grigorian located?
- Ela Grigorian's practice location on file with NPPES is 9792 Sierra Ave, Fontana, CA 92335-6717.
- What is Ela Grigorian's phone number?
- The practice phone number listed in the NPPES registry for Ela Grigorian is (909) 434-6000.
- Does Ela Grigorian accept Medicare?
- Ela Grigorian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ela Grigorian's NPI active?
- Yes — Ela Grigorian's NPI (1598937468) is active in the NPPES registry as of the last update on 2024-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.