Janet Kershaw-McLennan, M.D.
Specialist · Atascadero, CA
Janet Kershaw-McLennan, M.D. is a specialist with a practice address in Atascadero, California, and NPI 1215932348, issued on Jun 15, 2005. Check the license (California G66499, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janet Kershaw-McLennan
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G66499 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8105 Morro RD, Atascadero, CA 93422
- Phone
- (805) 466-7722
- Enumerated
- Jun 15, 2005
- Record last updated
- Aug 29, 2024
- Fax
- (805) 461-1763
- Medicaid ID
- 00G664990 CA
- Medicare enrollment
- Enrolled (PECOS I20120423000411); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Verify Janet Kershaw-McLennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G66499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average specialist in 2024
1,178 Medicare Part D claims for 218 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Azelastine Hcl183 claims
- Montelukast Sodium174 claims
- Trelegy Ellipta108 claims
- Ipratropium Bromide89 claims
- Albuterol Sulfate Hfa61 claims
- Breo Ellipta53 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): 22.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,452.66
61 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Janet Kershaw-McLennan among 5,749 specialist records in California
Janet Kershaw-McLennan, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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, 93% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1984 · median 1989 among the 1,075 with a school on file
- Record last updated2024 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Atascadero → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Kobie CabalarAtascadero, CA 934221275489148
- Elaine Brielle, NCAC, SAP/DOT, LAADCArroyo Grande, CA 934201780965301
- James Kunkel, MDArroyo Grande, CA 934201417937541
- Margaret Milos, M.D.Arroyo Grande, CA 934201982147633
- James Olivas, C.PED, C.F.O.Arroyo Grande, CA 934201245594688
- Suzanne Sealey, MPTArroyo Grande, CA 934201124108071
- William Gnekow, MDBuellton, CA 934271760807143
- Lawrence Bardach, OTR / LGrover Beach, CA 934331205092038
Common questions
What is Janet Kershaw-McLennan, M.D.'s NPI number?
Janet Kershaw-McLennan, M.D.'s National Provider Identifier (NPI) is 1215932348, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Janet Kershaw-McLennan, M.D. located?
The NPPES record lists a practice address at 8105 Morro RD, Atascadero, CA, 93422. Phone: (805) 466-7722. Providers update this record themselves, so call before visiting.
How can I verify Janet Kershaw-McLennan, M.D.'s license?
NPPES lists California license number G66499, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Janet Kershaw-McLennan, M.D. prescribe under Medicare Part D?
In 2024, Janet Kershaw-McLennan, M.D. had 1,178 Medicare Part D claims for 218 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Janet Kershaw-McLennan, M.D.'s MIPS final score?
The 2023 MIPS final score is 22.4 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.