Robert Fong Sing, DO
Family Medicine Physician · Sringfield, PA
Robert Fong Sing, DO is a family medicine physician with a practice address in Sringfield, Pennsylvania, and NPI 1598853301, issued on Oct 10, 2006. Check the license (Pennsylvania OS004263L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Robert Fong Sing
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS004263L PA
Self-reported in NPPES; status is on the state search - Practice location
- 166 Saxer Avenue, Sringfield, PA 19064
- Phone
- (610) 328-7262
- Enumerated
- Oct 10, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (610) 328-4440
- Medicaid ID
- 0712091 PA
- Medicare enrollment
- Enrolled (PECOS I20120221000453); accepts Medicare assignment
- Medical or professional school
- College Of Medicine And Surgery, 1978
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Verify Robert Fong Sing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS004263LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average family medicine physician in 2024
1,037 Medicare Part D claims for 154 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 177 claims were for opioids.
Most prescribed
- Oxycodone Hcl61 claims
- Lisinopril57 claims
- Rosuvastatin Calcium55 claims
- Levothyroxine Sodium44 claims
- Metformin Hcl44 claims
- Oxycodone-Acetaminophen35 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: $1,466.68
46 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Springfield Sports Emergency Medical CorporationSpringfield, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Fong Sing among 7,483 family medicine physician records in Pennsylvania
Robert Fong Sing, DO is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1978 · median 2005 among the 4,529 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Pennsylvania
There are 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melissa Broyles, DOSpringfield, PA 190641285660977
- Sean Conroy, D.O.Springfield, PA 190641902893027
- Christopher Davis, DOSpringfield, PA 190641922196724
- William Demedio, M.D.Springfield, PA 190641659313419
- Anne Donnelly, M.D.Springfield, PA 190641396719639
- Christine Donohue-Henry, MDSpringfield, PA 190641942207212
- Amy Erdman, DOSpringfield, PA 190641730294141
- Daniel Martin, MDSpringfield, PA 190641598767816
Common questions
What is Robert Fong Sing, DO's NPI number?
Robert Fong Sing, DO's National Provider Identifier (NPI) is 1598853301, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Fong Sing, DO located?
The NPPES record lists a practice address at 166 Saxer Avenue, Sringfield, PA, 19064. Phone: (610) 328-7262. Providers update this record themselves, so call before visiting.
How can I verify Robert Fong Sing, DO's license?
NPPES lists Pennsylvania license number OS004263L, 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 Robert Fong Sing, DO prescribe under Medicare Part D?
In 2024, Robert Fong Sing, DO had 1,037 Medicare Part D claims for 154 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.