Dr. Frank John Lang Jr., MD
- Part D claims, 2024
- 10,000
- Industry payments
- $373
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 4
- Practice address
- 3733 San Dimas St, Bakersfield, CA 93301
- Practice phone
- Call (800) 353-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Bakersfield, California
Find Dr. Lang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Frank John Lang Jr. is a family medicine physician in Bakersfield, California
Dr. Lang practices at Southern California Permanente Medical Group in Bakersfield, California.
Dr. Lang's NPI, 1417942939, was assigned on September 12, 2005. Dr. Lang graduated from UCSF School of Medicine in 1993. Dr. Lang holds California license G808370.
- NPI
- 1417942939NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244137818
- NPI enumeration date
- September 12, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 353-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Frank John Lang Jr. practices at Southern California Permanente Medical Group in Bakersfield, California
Dr. Lang's primary practice is Southern California Permanente Medical Group, at 3733 San Dimas St, Bakersfield, CA 93301 in Kern County. The practice phone is (800) 353-5400.
- Southern California Permanente Medical Group3733 San Dimas St, Bakersfield, CA 93301 · Kern CountyPhone(800) 353-5400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Frank John Lang Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Lang's primary practice is Southern California Permanente Medical Group in Bakersfield, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Lang to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Frank John Lang Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Frank John Lang Jr. is one of 15,680 family medicine physicians in California
Family medicine is Dr. Lang's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Lang is board certified in family medicine by the American Board of Family Medicine. Dr. Lang is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists depression among the conditions Dr. Lang treats.
Family medicine physicians near Dr. Lang
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Frank John Lang Jr.'s patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Lang's median patient age at 59, with 51% women.
Dr. Lang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Frank John Lang Jr. wrote 10,000 Medicare Part D claims in 2024
In 2024, Dr. Lang wrote 10,000 Medicare Part D claims for 1,000 patients. 89% of them were for generic drugs. CMS names the drug for 9,374 of them, across 141 drugs with 11 or more claims each, at $516,510 in total drug cost. In 2023, CMS named 7,838 claims across 122 drugs.
Dr. Lang's Part D claims by kind of drug, 2024
- Generic8,943 claims89%
- Brand-name963 claims10%
- Other94 claims1%
Dr. Lang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lang's Part D claims, 2024
- Opioids9%876 of 10,000 claims
- Antibiotics2%248 of 10,000 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,8382024: 9,37420%
Drugs named by CMS: 141 in 2024, 122 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Frank John Lang Jr. takes part in Medicare
Dr. Lang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Frank John Lang Jr. received $373 in industry payments in 2025
CMS Open Payments shows 3 general payments to Dr. Lang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CSL Behring paid the most, $373.
Companies that paid Dr. Lang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Frank John Lang Jr. graduated from UCSF School of Medicine
Dr. Lang graduated from UCSF School of Medicine in 1993.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Frank John Lang Jr. accepts plans from 4 insurance carriers
Dr. Lang is in network with 4 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Lang accepts, by number of carriers
- Medicare3
- PPO2
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Frank John Lang Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Frank John Lang Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Frank John Lang Jr.'s NPI number?
Dr. Frank John Lang Jr.'s NPI number is 1417942939. It was assigned on September 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Frank John Lang Jr.?
Dr. Frank John Lang Jr. is a family medicine physician in Bakersfield, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Frank John Lang Jr. practice?
Dr. Lang practices at 3733 San Dimas St, Bakersfield, CA 93301. Dr. Lang's primary practice is Southern California Permanente Medical Group in Bakersfield, California. Dmand AI also links Dr. Lang to 1 group practice or clinic.
What is Dr. Frank John Lang Jr.'s office phone number?
The practice phone on file for Dr. Lang is (800) 353-5400.
What is Dr. Frank John Lang Jr.'s medical license number?
Dr. Lang holds California license G808370.
What medical group is Dr. Frank John Lang Jr. part of?
Dr. Lang is linked to Southern California Permanente Medical Group.
Does Dr. Frank John Lang Jr. accept Medicare?
Yes. CMS lists Dr. Lang as accepting Medicare assignment.
Is Dr. Frank John Lang Jr. board certified?
Yes. Dr. Lang is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. Frank John Lang Jr. go to medical school?
Dr. Lang graduated from UCSF School of Medicine in 1993.
What drugs does Dr. Frank John Lang Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Lang's most prescribed drugs by claims were Atorvastatin Calcium, Hydrocodone-Acetaminophen and Pantoprazole Sodium.
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Has Dr. Frank John Lang Jr. received payments from drug or device companies?
CMS Open Payments shows $373 in general payments to Dr. Lang from 1 company from 2025 to 2025. The largest total came from CSL Behring.
How long has Dr. Frank John Lang Jr. been practicing?
Dr. Lang graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Frank John Lang Jr. accept?
Dr. Lang is in network with 4 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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