Penny Zimmerman, MSW, LSW
Social Worker · Silver Spring, MD
Penny Zimmerman, MSW, LSW is a social worker with a practice address in Silver Spring, Maryland, and NPI 1497082044, issued on Nov 3, 2009. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Penny Zimmerman
- Credential
- MSW, LSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- S31699 OH
Self-reported in NPPES; status is on the state search - Practice location
- 12501 Prosperity Dr Ste 310, Silver Spring, MD 20904
- Phone
- (240) 780-8884
- Enumerated
- Nov 3, 2009
- Record last updated
- Nov 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 2296215 OH
- Medicare enrollment
- Enrolled (PECOS I20190211002256); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest social worker records → All 4,073 in Maryland → Look up another NPI →
Also registered at 12501 Prosperity Dr Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Penny Zimmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Psychcare Psychological Services LLCSilver Spring, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Penny Zimmerman among 4,073 social worker records in Maryland
Penny Zimmerman, MSW, LSW is one of 4,073 social worker records with a practice address in Maryland. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 8% of them.
- NPI issued2009 · 8% of these records are older, 91% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated2007 · median 2017 among the 379 with a school on file
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
117 social worker records list a practice address in Silver Spring
They are 117 of the 6,531 NPPES records with a practice address in Silver Spring, and 4,073 social worker records in Maryland.
All 4,073 in Maryland → Every provider in Silver Spring → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Kimberly Butler, LMSWSilver Spring, MD 209041861232332
- Christina Chacko, LCSW-CSilver Spring, MD 209041891458899
- Nicole Cyriaque, LMSWSilver Spring, MD 209041063035095
- Andrew DaulerSilver Spring, MD 209041568876035
- Lisa FosterSilver Spring, MD 209041558501825
- Peggy Guzman, LMSWSilver Spring, MD 209041922667773
- Melvina JohnsonSilver Spring, MD 209041124897970
- Rebecca PefferSilver Spring, MD 209041629739362
Common questions
What is Penny Zimmerman, MSW, LSW's NPI number?
Penny Zimmerman, MSW, LSW's National Provider Identifier (NPI) is 1497082044, issued on Nov 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Penny Zimmerman, MSW, LSW located?
The NPPES record lists a practice address at 12501 Prosperity Dr Ste 310, Silver Spring, MD, 20904. Phone: (240) 780-8884. Providers update this record themselves, so call before visiting.
How can I verify Penny Zimmerman, MSW, LSW's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity 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.