Dr. Charles Alan Block, MD

  • Willow Grove, PA
  • Pediatrician
NPI1073501581
Industry payments
$2,289
Affiliated sites
1
Medical groups
2
Insurance carriers
13
State license
1
Practice address
2510 Maryland Rd, Willow Grove, PA 19090
Practice phone
Call (215) 672-6622
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

True North Pediatrics

Willow Grove, Pennsylvania

See all 4 affiliations

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Dr. Charles Alan Block is a pediatrician in Willow Grove, Pennsylvania

Dr. Block practices at True North Pediatrics in Willow Grove, Pennsylvania.

Dr. Block's NPI, 1073501581, was assigned on October 10, 2005. Dr. Block graduated from Lewis Katz School of Medicine in 1986. Dr. Block holds Pennsylvania license MD043186E.

NPI and contact details
NPI enumeration date
October 10, 2005
NPI status
Active
Practice phone
(215) 672-6622
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Charles Alan Block practices at True North Pediatrics in Willow Grove, Pennsylvania

Dr. Block's primary practice is True North Pediatrics, at 2510 Maryland Rd, Willow Grove, PA 19090 in Montgomery County. The practice phone is (215) 672-6622.

  • True North Pediatrics
    2510 Maryland Rd, Willow Grove, PA 19090 · Montgomery CountyPhone(215) 672-6622

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Charles Alan Block is affiliated with 2 sites of care and 2 medical groups

Dr. Block's primary practice is True North Pediatrics in Willow Grove, Pennsylvania. Dmand AI also links Dr. Block to 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Dr. Block

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Charles Alan Block's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Block practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
True North PediatricsAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Charles Alan Block is one of 2,468 pediatricians in Pennsylvania

Pediatrics is Dr. Block's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Block is board certified in pediatrics by the American Board of Pediatrics. Dr. Block is licensed in Pennsylvania.

Specialties and state licenses

  • Pediatrics, PennsylvaniaPrimaryLicense MD043186E · 1988 to 2026 · taxonomy 208000000X

Pediatricians near Dr. Block

Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Charles Alan Block's patients have a median age of 12

Across all payers, Dmand AI patient panel data puts Dr. Block's median patient age at 12, with 38% women.

Dr. Block's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 12

Patient panel by sex, all payers

  • Women38%
  • Men61%

Source: Dmand AI Patient Panel Data

Dr. Charles Alan Block received $2,289 in industry payments from 2016 to 2025

CMS Open Payments shows 100 general payments to Dr. Block from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. GlaxoSmithKline, LLC. paid the most, $576. It also lists 1 research payment totaling $41 in 2016.

General payments to Dr. Block by program year, 2016 to 2025

General payments to Dr. Block by kind, 2016 to 2025

$2.3Kin total
  • Food and beverage$2,11492%
  • Consulting fees$1758%

Companies that paid Dr. Block the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Block

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Charles Alan Block has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Block, most recently Philadelphia Magazine in 2024.

Awards and honors for Dr. Block

  1. 2024
    • Philadelphia Magazine
  2. Undated
    • AAP Fellow

Source: Dmand AI Professional Profile Data

Dr. Charles Alan Block graduated from Lewis Katz School of Medicine

Dr. Block graduated from Lewis Katz School of Medicine in 1986. Dr. Block is a member of AAP.

  1. Medical schoolLewis Katz School of Medicine
  2. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Charles Alan Block accepts plans from 13 insurance carriers

Dr. Block is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • United Healthcare
  • Elevance
  • Highmark
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +5 more carriersWith a free account

Plan types Dr. Block accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. EPO5
  4. Medicare5
  5. POS5

Source: Dmand AI Insurance Network Data

Sources for Dr. Charles Alan Block's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Charles Alan Block

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Charles Alan Block's NPI number?

Dr. Charles Alan Block's NPI number is 1073501581. It was assigned on October 10, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles Alan Block?

Dr. Charles Alan Block is a pediatrician in Willow Grove, Pennsylvania. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Charles Alan Block practice?

Dr. Block practices at 2510 Maryland Rd, Willow Grove, PA 19090. Dr. Block's primary practice is True North Pediatrics in Willow Grove, Pennsylvania. Dmand AI also links Dr. Block to 2 medical groups and 1 group practice or clinic.

What is Dr. Charles Alan Block's office phone number?

The practice phone on file for Dr. Block is (215) 672-6622.

What is Dr. Charles Alan Block's medical license number?

Dr. Block holds Pennsylvania license MD043186E.

Is Dr. Charles Alan Block board certified?

Yes. Dr. Block is board certified in pediatrics by the American Board of Pediatrics.

Where did Dr. Charles Alan Block go to medical school?

Dr. Block graduated from Lewis Katz School of Medicine in 1986.

Has Dr. Charles Alan Block received payments from drug or device companies?

CMS Open Payments shows $2,289 in general payments to Dr. Block from 21 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Charles Alan Block been practicing?

Dr. Block graduated from medical school in 1986, 40 years ago.

What insurance does Dr. Charles Alan Block accept?

Dr. Block is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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