NPPES file of Aug 9, 2026

Carl H. Ling, M.D.

Dermatology Physician · California, MD

Carl H. Ling, M.D. is a dermatology physician with a practice address in California, Maryland, and NPI 1902830656, issued on Jul 10, 2006. Check the license (Maryland D0044371, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902830656
Name
Carl H. Ling
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
D0044371 MD
Self-reported in NPPES; status is on the state search
Practice location
23415 Three Notch RD, California, MD 20619
Phone
(240) 237-8268
Enumerated
Jul 10, 2006
Record last updated
Jul 9, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(240) 237-8446
Medicaid ID
305201000 MD
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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Also registered at 23415 Three Notch RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cara Correll, DPTPhysical Therapist1366321143
  2. Mia Finkelston, MDSpecialist1447235171
  3. Michael Kuhn, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1104043157
  4. Nichole Pelletier, CRNPFamily Nurse Practitioner1841379781
  5. Phyllis Rumore-Farris, NPFamily Nurse Practitioner1437140738
  6. John Tidball, M.D.Family Medicine Physician1760580476

Verify Carl H. Ling in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0044371
    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 Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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9% more Medicare Part D claims than the average dermatology physician in 2024

872 Medicare Part D claims for 229 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Carl Ling872
  2. Specialty average797

Most prescribed

  1. Mometasone Furoate115 claims
  2. Fluocinonide105 claims
  3. Triamcinolone Acetonide81 claims
  4. Imiquimod77 claims
  5. Cefuroxime66 claims
  6. Doxycycline Hyclate56 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Carl H. Ling among 341 dermatology physician records in Maryland

Carl H. Ling, M.D. is one of 341 dermatology physician records with a practice address in Maryland. 84% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 56% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2015 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Maryland

There are 341 dermatology physician records in Maryland.

The 8 dermatology physician records with the nearest ZIP codes

  1. Annie Verghese, M.D.California, MD 206191407883051
  2. Arpana Shah, MDCharlotte Hall, MD 206221134148075
  3. Susan Schaner, M.D.Waldorf, MD 206021508845926
  4. Amir Zahir, M.D.Huntingtown, MD 206391851633945
  5. George VergheseLeonardtown, MD 206501629193891
  6. Nicolette McCrary, APRNLexington Park, MD 206531912670274
  7. Brian Connolly, MDPrince Frederick, MD 206781982011797
  8. Alvanus Hartley, MDPrince Frederick, MD 206781336213503

Common questions

What is Carl H. Ling, M.D.'s NPI number?

Carl H. Ling, M.D.'s National Provider Identifier (NPI) is 1902830656, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carl H. Ling, M.D. located?

The NPPES record lists a practice address at 23415 Three Notch RD, California, MD, 20619. Phone: (240) 237-8268. Providers update this record themselves, so call before visiting.

How can I verify Carl H. Ling, M.D.'s license?

NPPES lists Maryland license number D0044371, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Carl H. Ling, M.D. prescribe under Medicare Part D?

In 2024, Carl H. Ling, M.D. had 872 Medicare Part D claims for 229 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Carl H. Ling, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.