NPPES file of Aug 9, 2026

Alan Scott Groth, D.O.

Internal Medicine Physician · Upper Darby, PA

Alan Scott Groth, D.O. is an internal medicine physician with a practice address in Upper Darby, Pennsylvania, and NPI 1871595181, issued on Jun 1, 2005. Check the license (Pennsylvania OS004223L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871595181
Name
Alan Scott Groth
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
OS004223L PA
Self-reported in NPPES; status is on the state search
Practice location
708 Long LN, Upper Darby, PA 19082
Phone
(610) 626-2964
Enumerated
Jun 1, 2005
Record last updated
Jul 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(610) 623-6535
Medicaid ID
0009787190002 PA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Alan Scott Groth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS004223L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

23 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Alan Groth23
  2. Specialty average3,176

Most prescribed

  1. Sertraline Hcl12 claims
  2. Hydroxychloroquine Sulfate11 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.

Alan Scott Groth among 7,300 internal medicine physician records in Pennsylvania

Alan Scott Groth, D.O. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2010 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 internal medicine physician records list a practice address in Upper Darby

They are 4 of the 264 NPPES records with a practice address in Upper Darby, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Bronell Chandler, MDUpper Darby, PA 190821497890107
  2. Nghia Phan, M.D.Upper Darby, PA 190821215994835
  3. Brij Srivastava, MDUpper Darby, PA 190821033295423
  4. Veronica Angulo Diaz, M.DHavertown, PA 190831871848671
  5. Patricia Clancy, M.D.Havertown, PA 190831649228552
  6. Leroy Fleischer, M.D.Havertown, PA 190831902809791
  7. Sean Flynn, D.O.Havertown, PA 190831386888121
  8. Stephen Humbert, DOHavertown, PA 190831871595041

Common questions

What is Alan Scott Groth, D.O.'s NPI number?

Alan Scott Groth, D.O.'s National Provider Identifier (NPI) is 1871595181, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alan Scott Groth, D.O. located?

The NPPES record lists a practice address at 708 Long LN, Upper Darby, PA, 19082. Phone: (610) 626-2964. Providers update this record themselves, so call before visiting.

How can I verify Alan Scott Groth, D.O.'s license?

NPPES lists Pennsylvania license number OS004223L, 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 Alan Scott Groth, D.O. prescribe under Medicare Part D?

In 2024, Alan Scott Groth, D.O. had 23 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.