Charles W. Seltzer, MD
Obesity Medicine (Internal Medicine) Physician · Philadelphia, PA
Charles W. Seltzer, MD is an obesity medicine (internal medicine) physician with a practice address in Philadelphia, Pennsylvania, and NPI 1043463250, issued on Oct 31, 2008. Check the license (Pennsylvania MD437081, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Charles W. Seltzer
- Credential
- MD
- Primary taxonomy
- Obesity Medicine (Internal Medicine) Physician 207RB0002X
- License number
- MD437081 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1429 Walnut St, Philadelphia, PA 19102
- Phone
- (215) 279-8376
- Enumerated
- Oct 31, 2008
- Record last updated
- Dec 1, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (215) 933-5593
- Entity
- Type 1 · individual
7 nearest obesity medicine (internal medicine) physician records → All 8 in Pennsylvania → Look up another NPI →
Also registered at 1429 Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charles W. Seltzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD437081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average obesity medicine (internal medicine) physician in 2024
443 Medicare Part D claims for 55 beneficiaries, against an average of 742 among the 106 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Levothyroxine Sodium30 claims
- Clonazepam27 claims
- Liothyronine Sodium27 claims
- Trazodone Hcl23 claims
- Trintellix22 claims
- Topiramate17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $64.91
3 payments; by number, the most common kind was food and beverage; the largest payer was KVK-Tech, Inc. The 80 providers of this specialty with any payment received $6,310.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Obesity Medicine (Internal Medicine) Physician providers in Pennsylvania
There are 8 obesity medicine (internal medicine) physician records in Pennsylvania.
All 8 in Pennsylvania → Every provider in Philadelphia → Obesity Medicine (Internal Medicine) Physician nationwide →
The 7 obesity medicine (internal medicine) physician records with the nearest ZIP codes
- Diana Pallin, MDWarrington, PA 189761962662981
- Kimberly Wolf, D.O.Wyomissing, PA 196101114298528
- Monica Brandau, DOAllentown, PA 181031598923393
- Sunil Daniel, M.D.Allentown, PA 181031528375888
- Rena Lambert, D.O.Allentown, PA 181031639371032
- Ryan Herchan, DODanville, PA 178221790487346
- Kimberly Rotunna, RNNew Castle, PA 161051033002662
Common questions
What is Charles W. Seltzer, MD's NPI number?
Charles W. Seltzer, MD's National Provider Identifier (NPI) is 1043463250, issued on Oct 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Charles W. Seltzer, MD located?
The NPPES record lists a practice address at 1429 Walnut St, Philadelphia, PA, 19102. Phone: (215) 279-8376. Providers update this record themselves, so call before visiting.
How can I verify Charles W. Seltzer, MD's license?
NPPES lists Pennsylvania license number MD437081, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles W. Seltzer, MD prescribe under Medicare Part D?
In 2024, Charles W. Seltzer, MD had 443 Medicare Part D claims for 55 beneficiaries; the average among obesity medicine (internal medicine) physician prescribers was 742. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.