William Allen Haug, D.O.
General Practice Physician · Pottstown, PA
William Allen Haug, D.O. is a general practice physician with a practice address in Pottstown, Pennsylvania, and NPI 1013193663, issued on Jan 14, 2008. Check the license (Pennsylvania OS002854L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Allen Haug
- Credential
- D.O.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- OS002854L PA
Self-reported in NPPES; status is on the state search - Practice location
- 11 Robinson Street, Pottstown, PA 19464
- Phone
- (610) 326-9460
- Enumerated
- Jan 14, 2008
- Record last updated
- Feb 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (610) 326-2432
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 345 in Pennsylvania → Look up another NPI →
Also registered at 11 Robinson Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Allen Haug in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS002854LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average general practice physician in 2024
90 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Promethazine Hcl18 claims
- Duloxetine Hcl14 claims
- Famotidine11 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.
William Allen Haug among 345 general practice physician records in Pennsylvania
William Allen Haug, D.O. is one of 345 general practice physician records with a practice address in Pennsylvania. 45% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 45% of these records are
- In the CMS Doctors and Clinicians fileNo · 20% of these records are
- Record last updated2011 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Pennsylvania
There are 345 general practice physician records in Pennsylvania.
All 345 in Pennsylvania → Every provider in Pottstown → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Theodore Colterelli, D.O.Plymouth Meeting, PA 194621609077106
- Raymond Lloyd, M.D.Plymouth Meeting, PA 194621679637664
- Yasser Alsharqi, DO, MBCHB, MPH, MBALansdale, PA 194461740856509
- Joseph Omalley, M.D.Lansdale, PA 194461467794636
- Wilma Santiago, M.D.Lansdale, PA 194461013110584
- Michael Seidner, MDLansdale, PA 194461851398101
- Li Tsai, MDCollegeville, PA 194261750353777
- Allison Hopper, DOChester Springs, PA 194251487832291
Common questions
What is William Allen Haug, D.O.'s NPI number?
William Allen Haug, D.O.'s National Provider Identifier (NPI) is 1013193663, issued on Jan 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William Allen Haug, D.O. located?
The NPPES record lists a practice address at 11 Robinson Street, Pottstown, PA, 19464. Phone: (610) 326-9460. Providers update this record themselves, so call before visiting.
How can I verify William Allen Haug, D.O.'s license?
NPPES lists Pennsylvania license number OS002854L, 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 William Allen Haug, D.O. prescribe under Medicare Part D?
In 2024, William Allen Haug, D.O. had 90 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.