Mahmood Fathollazadeh, PA-C
NPI 1386711158 · Physician Assistant · Colton, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahmood Fathollazadeh, PA-C is a Physician Assistant provider in Colton, CA (NPI 1386711158).
Provider details
- NPI number
- 1386711158
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA12070 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
477 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 438 | $115 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $76 |
Typical Medicare-allowed amounts for these services range $76–$115 (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 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 2,368 | 503 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 659 | 151 |
| Gabapentin | 653 | 163 |
| Oxycodone Hcl | 529 | 125 |
| Tizanidine Hcl | 404 | 95 |
| Hydromorphone Hcl | 249 | 65 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$800 across 49 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)
- 9961 Sierra AveFontana, CA 92335-6720Phone: (909) 427-3910
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2023-07-18
- Certified
- 2023-07-18
Frequently asked questions
- What is Mahmood Fathollazadeh's NPI number?
- Mahmood Fathollazadeh's National Provider Identifier (NPI) is 1386711158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahmood Fathollazadeh's specialty?
- Mahmood Fathollazadeh is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mahmood Fathollazadeh located?
- Mahmood Fathollazadeh's practice location on file with NPPES is 1850 E Washington St, Colton, CA 92324-4621.
- What is Mahmood Fathollazadeh's phone number?
- The practice phone number listed in the NPPES registry for Mahmood Fathollazadeh is (909) 887-2991.
- Does Mahmood Fathollazadeh accept Medicare?
- Mahmood Fathollazadeh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahmood Fathollazadeh's NPI active?
- Yes — Mahmood Fathollazadeh's NPI (1386711158) is active in the NPPES registry as of the last update on 2023-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.