NPPES file of Aug 9, 2026

Frank John Lang, M.D.

Family Medicine Physician · Grass Valley, CA

Frank John Lang, M.D. is a family medicine physician with a practice address in Grass Valley, California, and NPI 1417942939, issued on Sep 12, 2005. Check the license (California G808370, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1417942939
Name
Frank John Lang
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G808370 CA
Self-reported in NPPES; status is on the state search
Practice location
1345 Whispering Pines LN, Grass Valley, CA 95945
Phone
(530) 273-9340
Enumerated
Sep 12, 2005
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(530) 273-7255
Medicaid ID
00G808370 CA
Medicare enrollment
Enrolled (PECOS I20031212000871); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1345 Whispering Pines LN

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

  1. Karen Higgins, M.D.Psychiatry Physician1023005774
  2. Justin Pfaffinger, DDSGeneral Practice Dentistry1972837490
  3. Steven Star, PAPhysician Assistant1134246200
  4. Danielle Yantis, M.S., R.D.Registered Dietitian1417383738

Verify Frank John Lang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G808370
    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 California 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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2.8 times the Medicare Part D claims of the average family medicine physician in 2024

10,000 Medicare Part D claims for 1,000 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 876 claims were for opioids.

  1. Frank Lang10,000
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium764 claims
  2. Hydrocodone-Acetaminophen525 claims
  3. Pantoprazole Sodium348 claims
  4. Lisinopril304 claims
  5. Amlodipine Besylate295 claims
  6. Losartan Potassium271 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupTehachapi, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Frank John Lang among 17,133 family medicine physician records in California

Frank John Lang, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1993 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 family medicine physician records list a practice address in Grass Valley

They are 36 of the 1,540 NPPES records with a practice address in Grass Valley, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Garrett Eckerling, M.D.Grass Valley, CA 959451215937388
  2. Jill Fitzpatrick, MDGrass Valley, CA 959451689640658
  3. Linda Foshagen, DOGrass Valley, CA 959451568420750
  4. Constance Gaulter, M.D.Grass Valley, CA 959451508881459
  5. John Jackson, MDGrass Valley, CA 959451487689840
  6. Byron Lake, M.D.Grass Valley, CA 959451891832242
  7. Veronica Minier, MDGrass Valley, CA 959451720050909
  8. Neva Monigatti Lake, MDGrass Valley, CA 959451265487383

Common questions

What is Frank John Lang, M.D.'s NPI number?

Frank John Lang, M.D.'s National Provider Identifier (NPI) is 1417942939, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Frank John Lang, M.D. located?

The NPPES record lists a practice address at 1345 Whispering Pines LN, Grass Valley, CA, 95945. Phone: (530) 273-9340. Providers update this record themselves, so call before visiting.

How can I verify Frank John Lang, M.D.'s license?

NPPES lists California license number G808370, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Frank John Lang, M.D. prescribe under Medicare Part D?

In 2024, Frank John Lang, M.D. had 10,000 Medicare Part D claims for 1,000 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.