William Callahan, D.O.
NPI 1386907434 · Family Medicine Physician · Blue Bell, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Callahan, D.O. is a Family Medicine Physician provider in Blue Bell, PA (NPI 1386907434).
Provider details
- NPI number
- 1386907434
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS016737 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
682 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 192 | $130 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 145 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 91 | $91 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 58 | $75 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $133 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 262 | 83 |
| Atorvastatin Calcium | 210 | 64 |
| Amlodipine Besylate | 175 | 62 |
| Lisinopril | 129 | 36 |
| Losartan Potassium | 122 | 40 |
| Levothyroxine Sodium | 83 | 26 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (2)
- 500 York Rd Ste 108Jenkintown, PA 19046-2852Phone: (215) 481-2725Fax: (215) 481-3013
- 605 N Bethlehem PikeLower Gwynedd, PA 19002-2501Phone: (215) 646-9220Fax: (215) 646-0715
Registry dates
- Enumerated
- 2012-06-22
- Last updated
- 2019-10-21
Frequently asked questions
- What is William Callahan's NPI number?
- William Callahan's National Provider Identifier (NPI) is 1386907434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Callahan's specialty?
- William Callahan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Callahan located?
- William Callahan's practice location on file with NPPES is 721 Arbor Way Ste 105, Blue Bell, PA 19422.
- What is William Callahan's phone number?
- The practice phone number listed in the NPPES registry for William Callahan is (215) 646-9220.
- Does William Callahan accept Medicare?
- William Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Callahan's NPI active?
- Yes — William Callahan's NPI (1386907434) is active in the NPPES registry as of the last update on 2019-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.