Dr. Maynard F. Lang, MD

  • Stockton, CA
  • General practice physician
NPI1396720355
Medicare services, 2018
440
Part D claims, 2024
14
Hospital affiliations
1
Industry payments
$3,177
State licenses
2
Practice address
1800 N California St, Stockton, CA 95204
Practice phone
Call (209) 943-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Dignity Health - St. Joseph's Medical Center

Hospital · Stockton, 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.

View contacts for free

Dr. Maynard F. Lang is a general practice physician in Stockton, California

Dr. Lang practices at Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health.

Dr. Lang's NPI, 1396720355, was assigned on December 13, 2005. Dr. Lang graduated from Carver College of Medicine in 1966. Dr. Lang holds California license C29340.

NPI and contact details
NPI enumeration date
December 13, 2005
NPI status
Active
Practice phone
(209) 943-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Medical school graduation
1966

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Maynard F. Lang practices at Dignity Health - St. Joseph's Medical Center in Stockton, California

Dr. Lang's primary practice is Dignity Health - St. Joseph's Medical Center, at 1800 N California St, Stockton, CA 95204 in San Joaquin County. The practice phone is (209) 943-2000.

Source: Dmand AI Affiliation Data

Dr. Maynard F. Lang is affiliated with 1 site of care

Dr. Lang's primary practice is Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Maynard F. Lang'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.

EHR by site
SiteEHR vendor and product
Dignity Health - St. Joseph's Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Lang practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Maynard F. Lang is one of 1,526 general practice physicians in California

General practice is Dr. Lang's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dmand AI has Dr. Lang's licenses on file in 2 states: California and Iowa.

Specialties and state licenses

  • General practice, CaliforniaPrimaryLicense C29340 · 1967 to 2027 · taxonomy 208D00000X
  • Iowa licenseSince 1967

General practice physicians near Dr. Lang

Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.

1,526general practice physicians in California
9general practice physicians in Stockton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Maynard F. Lang billed Medicare for 440 services in 2018

CMS data shows 440 Medicare services from Dr. Lang across 3 procedure codes in 2018, all of them office visits. Medicare paid $20,952 for them. Every service was in an office.

Medicare services, 2018440
Paid by Medicare$20,952
Procedure codes3

Dr. Lang's Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Office and hospital visits
2017: 6812018: 44035%
Tests and treatments
2017: 132018: 0100%

Dr. Lang compared with the California median for general practice physicians, 2018

  • Dr. Lang
  • California median
Medicare services
440vs 26268% above
Part D claims
99vs 19248% below

Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.

Dr. Lang's most billed Medicare procedure codes, 2018

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Lang

Need commercial claims for Dr. Lang?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lang and other general practice physicians in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Maynard F. Lang's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Dr. Lang's median patient age at 67, with 39% 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 67

Patient panel by sex, all payers

  • Women39%
  • Men61%

Source: Dmand AI Patient Panel Data

Dr. Maynard F. Lang wrote 14 Medicare Part D claims in 2024

In 2024, Dr. Lang wrote 14 Medicare Part D claims. 100% of them were for generic drugs. They cover 6 drugs, with $1,191 in total drug cost. In 2018, CMS named 3,048 claims across 55 drugs.

Part D claims, 202414
Drugs named by CMS6
Total drug cost$1,191

Dr. Lang's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 3,0482019: 9997%

Drugs named by CMS: 6 in 2019, 55 in 2018.

See all prescribing by Dr. Lang

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

For MedTech and pharma teams

Find general practice physicians like Dr. Lang by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Maynard F. Lang received $3,177 in industry payments from 2016 to 2019

CMS Open Payments shows 44 general payments to Dr. Lang from 16 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $843.

General payments to Dr. Lang by program year, 2016 to 2019

Companies that paid Dr. Lang the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Lang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Maynard F. Lang graduated from Carver College of Medicine

Dr. Lang graduated from Carver College of Medicine in 1966.

  1. Medical schoolCarver College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Maynard F. Lang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Maynard F. Lang

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. Maynard F. Lang's NPI number?

Dr. Maynard F. Lang's NPI number is 1396720355. It was assigned on December 13, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Maynard F. Lang?

Dr. Maynard F. Lang is a general practice physician in Stockton, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Maynard F. Lang practice?

Dr. Lang practices at 1800 N California St, Stockton, CA 95204. Dr. Lang's primary practice is Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health.

What is Dr. Maynard F. Lang's office phone number?

The practice phone on file for Dr. Lang is (209) 943-2000.

What is Dr. Maynard F. Lang's medical license number?

Dr. Lang holds California license C29340, one of the licenses on file in 2 states.

Which states has Dr. Maynard F. Lang been licensed in?

Dmand AI has state licenses on file for Dr. Lang in California (1967 to 2027) and Iowa (since 1967).

Which hospitals is Dr. Maynard F. Lang affiliated with?

Dr. Lang practices at Dignity Health - St. Joseph's Medical Center in Stockton, California.

Does Dr. Maynard F. Lang accept Medicare?

Yes. CMS data shows Dr. Lang billed Medicare for 440 services in 2018.

What services does Dr. Maynard F. Lang bill to Medicare?

In 2018, Dr. Lang's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99212).

Where did Dr. Maynard F. Lang go to medical school?

Dr. Lang graduated from Carver College of Medicine in 1966.

Show 3 more questionsShow fewer questions

What drugs does Dr. Maynard F. Lang prescribe most?

In 2019 Medicare Part D data, Dr. Lang's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Simvastatin.

Has Dr. Maynard F. Lang received payments from drug or device companies?

CMS Open Payments shows $3,177 in general payments to Dr. Lang from 16 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Maynard F. Lang been practicing?

Dr. Lang graduated from medical school in 1966, 60 years ago.

Selling to general practice practices?

See general practice physicians in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)