Denise Smith Johnson, PA-C
Physician Assistant · Waldorf, MD
Denise Smith Johnson, PA-C is a physician assistant with a practice address in Waldorf, Maryland, and NPI 1124226147, issued on Jul 11, 2007. Check the license (Maryland C0002293, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Denise Smith Johnson
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- C0002293 MD
PA30173 DC
Self-reported in NPPES; status is on the state search - Practice location
- 12101 Old Line Ctr, Waldorf, MD 20602
- Phone
- (301) 843-2223
- Enumerated
- Jul 11, 2007
- Record last updated
- Jun 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (301) 705-9720
- Medicare enrollment
- Enrolled (PECOS I20160510000508); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 12101 Old Line Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle JonesFamily Nurse Practitioner1396258877
Verify Denise Smith Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C0002293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average physician assistant in 2024
532 Medicare Part D claims for 99 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Montelukast Sodium75 claims
- Fluticasone Propionate49 claims
- Azelastine Hcl48 claims
- Trelegy Ellipta44 claims
- Levocetirizine Dihydrochloride31 claims
- Ipratropium Bromide27 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: $1,951.52
76 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 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
- Asthma Allergy And Sinus Center, LLCWaldorf, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Denise Smith Johnson among 3,224 physician assistant records in Maryland
Denise Smith Johnson, PA-C is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 75% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2000 · median 2017 among the 1,974 with a school on file
- Record last updated2013 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 physician assistant records list a practice address in Waldorf
They are 25 of the 1,272 NPPES records with a practice address in Waldorf, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Waldorf → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Khori-Jon Allen, PA-CWaldorf, MD 206021376165118
- Lilli ConnerWaldorf, MD 206021023681640
- Kelly-Anne Dooley, P.A.Waldorf, MD 206021386066314
- Carla Hines, PA-CWaldorf, MD 206021407059967
- Joseph Jaworski,, PA-CWaldorf, MD 206021518940758
- Yuen Ling Kong, P.A-CWaldorf, MD 206021851720239
- Lauren Lemons, PAWaldorf, MD 206021720812035
- Kristen Lohr, P.A.C.Waldorf, MD 206021023385457
Common questions
What is Denise Smith Johnson, PA-C's NPI number?
Denise Smith Johnson, PA-C's National Provider Identifier (NPI) is 1124226147, issued on Jul 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Denise Smith Johnson, PA-C located?
The NPPES record lists a practice address at 12101 Old Line Ctr, Waldorf, MD, 20602. Phone: (301) 843-2223. Providers update this record themselves, so call before visiting.
How can I verify Denise Smith Johnson, PA-C's license?
NPPES lists Maryland license number C0002293, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Denise Smith Johnson, PA-C prescribe under Medicare Part D?
In 2024, Denise Smith Johnson, PA-C had 532 Medicare Part D claims for 99 beneficiaries; the average among physician assistant prescribers was 830. 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.