William Pullen, M.D.
NPI 1104977248 · Endocrinology, Diabetes & Metabolism Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Pullen, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Glendale, CA (NPI 1104977248).
Provider details
- NPI number
- 1104977248
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A41473 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
798 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 | 112 | $131 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 100 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 93 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 85 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 54 | $16 |
| Thyroxine (thyroid Chemical), Free84439 | 51 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 61 | 24 |
| Levothyroxine Sodiumbrand: Synthroid | 39 | 17 |
| Atorvastatin Calcium | 39 | 24 |
| Losartan Potassium | 38 | 17 |
| Rosuvastatin Calcium | 36 | 20 |
| Amlodipine Besylate | 26 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$220 across 9 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
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2026-04-10
- Certified
- 2026-04-10
Frequently asked questions
- What is William Pullen's NPI number?
- William Pullen's National Provider Identifier (NPI) is 1104977248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Pullen's specialty?
- William Pullen is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is William Pullen located?
- William Pullen's practice location on file with NPPES is 450 N Brand Blvd Ste 600, Glendale, CA 91203-2349.
- What is William Pullen's phone number?
- The practice phone number listed in the NPPES registry for William Pullen is (818) 369-1170.
- Does William Pullen accept Medicare?
- William Pullen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Pullen's NPI active?
- Yes — William Pullen's NPI (1104977248) is active in the NPPES registry as of the last update on 2026-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.