Dr. Frederick William Dieterich, MD

  • Vista, CA
  • OB-GYN
NPI1720183650PAC ID5799706719
Medicare services, 2023
180
Part D claims, 2024
151
MIPS score, 2024
86
Industry payments
$5,523
Affiliated sites
3
Practice address
981 Vale Terrace, Vista, CA 92084
Practice phone
Call (619) 631-5010
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Vista Community Clinic (Vale Ter)

FQHC - Main Site · Vista, California

See all 5 affiliations

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Dr. Frederick William Dieterich is an OB-GYN in Vista, California

Dr. Dieterich practices at Vista Community Clinic (Vale Ter) in Vista, California.

Dr. Dieterich's NPI, 1720183650, was assigned on September 14, 2006. Dr. Dieterich graduated from VCU School of Medicine in 1976. Dr. Dieterich's California license number on file is GO41537.

NPI and contact details
Medicare PAC ID
5799706719
NPI enumeration date
September 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 631-5010
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
76
Medical school graduation
1976

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Frederick William Dieterich practices at 2 locations in Vista, California

Dr. Dieterich's primary practice is Vista Community Clinic (Vale Ter), at 981 Vale Terrace, Vista, CA 92084 in San Diego County. The practice phone is (619) 631-5010. Dr. Dieterich also practices at Vista Community Clinic, 1000 Vale Terrace Dr, Vista, CA 92084.

  • Vista Community Clinic (Vale Ter)Primary
    981 Vale Terrace, Vista, CA 92084 · San Diego CountyPhone(619) 631-5010
  • Vista Community Clinic
    1000 Vale Terrace Dr, Vista, CA 92084 · San Diego CountyPhone(760) 631-5000

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

Dr. Frederick William Dieterich is affiliated with 3 sites of care and 2 medical groups

Dr. Dieterich's primary practice is Vista Community Clinic (Vale Ter) in Vista, California. The medical group on file is Vista Community Clinic. Dmand AI also links Dr. Dieterich to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Dieterich's employer is on file too: a community health center (fqhc).

See all 5 affiliations for Dr. Dieterich

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

Dmand AI tracks the EHR system at Dr. Frederick William Dieterich's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dieterich practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vista Community Clinic (Vale Ter)Available with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Frederick William Dieterich is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Dieterich's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Dieterich is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Dieterich has a license on file in California.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense GO41537 · 1980 to 2025 · taxonomy 207V00000X

Clinical focus

Dmand AI lists hysterectomy, menopause, pelvic prolapse, UTI, vaginal infection and vaginal repair among the conditions Dr. Dieterich treats.

OB-GYNs near Dr. Dieterich

Counts of OB-GYNs 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. Frederick William Dieterich billed Medicare for 180 services in 2023

CMS data shows 180 Medicare services from Dr. Dieterich across 5 procedure codes in 2023. Medicare paid $10,627 for them. Every service was in an office.

Medicare services, 2023180
Paid by Medicare$10,627
Procedure codes5

Dr. Dieterich's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 922023: 10716%
Other services
2022: 412023: 6149%
Lab and pathology
2022: 222023: 1245%

Dr. Dieterich compared with the California median for OB-GYNs, 2023

  • Dr. Dieterich
  • California median
Medicare services
180vs 583.1 times
Part D claims
37vs 356% above

Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.

Dr. Dieterich's most billed Medicare procedure codes, 2023

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. Dieterich

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

Dr. Frederick William Dieterich's patients have a median age of 35

Across all payers, Dmand AI patient panel data puts Dr. Dieterich's median patient age at 35, with 99% women.

Dr. Dieterich's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 35

Patient panel by sex, all payers

  • Women99%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Frederick William Dieterich wrote 151 Medicare Part D claims in 2024

In 2024, Dr. Dieterich wrote 151 Medicare Part D claims for 52 patients. 88% of them were for generic drugs. CMS names the drug for 37 of them, across 2 drugs with 11 or more claims each, at $754 in total drug cost. In 2023, CMS named 141 claims across 7 drugs.

Part D claims, 2024151
Drugs named by CMS2
Total drug cost$754
Part D patients52

Dr. Dieterich's Part D claims by kind of drug, 2024

  • Generic133 claims88%
  • Brand-name18 claims12%

Dr. Dieterich'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. Dieterich's Part D claims, 2024

  • Antibiotics14%21 of 151 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: 1412024: 3774%

Drugs named by CMS: 2 in 2024, 7 in 2023.

See all prescribing by Dr. Dieterich

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

Dr. Frederick William Dieterich scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Dieterich for performance year 2024, reported as part of a group. Dr. Dieterich accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Dieterich's MIPS scores, performance year 2024

  • 86of 100Final score
  • 64.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Frederick William Dieterich received $5,523 in industry payments from 2016 to 2025

CMS Open Payments shows 200 general payments to Dr. Dieterich from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 68% of the total. Vertical Pharmaceuticals, LLC paid the most, $892.

General payments to Dr. Dieterich by program year, 2016 to 2025

General payments to Dr. Dieterich by kind, 2016 to 2025

$5.5Kin total
  • Food and beverage$3,77368%
  • Consulting fees$73913%
  • Travel and lodging$60211%
  • Education$3336%
  • Gifts$761%

Companies that paid Dr. Dieterich the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Dieterich

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

Dr. Frederick William Dieterich has 1 award and honors on record

Dmand AI lists 1 award for Dr. Dieterich.

Awards and honors for Dr. Dieterich

  1. Undated
    • ACOG Fellow

Source: Dmand AI Professional Profile Data

Dr. Frederick William Dieterich graduated from VCU School of Medicine

Dr. Dieterich graduated from VCU School of Medicine in 1976.

  1. Medical schoolVCU School of Medicine
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Frederick William Dieterich accepts plans from 16 insurance carriers

Dr. Dieterich is in network with 16 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Dieterich accepts, by number of carriers

  1. Medicare9
  2. PPO9
  3. HMO8
  4. POS5
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Frederick William Dieterich'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Frederick William Dieterich

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. Frederick William Dieterich's NPI number?

Dr. Frederick William Dieterich's NPI number is 1720183650. It was assigned on September 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Frederick William Dieterich?

Dr. Frederick William Dieterich is an OB-GYN in Vista, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Frederick William Dieterich practice?

Dr. Dieterich practices at 981 Vale Terrace, Vista, CA 92084. Dr. Dieterich also practices at 1000 Vale Terrace Dr, Vista, CA 92084. Dr. Dieterich's primary practice is Vista Community Clinic (Vale Ter) in Vista, California. Dmand AI also links Dr. Dieterich to 1 physician office, 1 group practice or clinic and 1 medical group.

What is Dr. Frederick William Dieterich's office phone number?

The practice phone on file for Dr. Dieterich is (619) 631-5010.

What is Dr. Frederick William Dieterich's medical license number?

Dr. Dieterich's California license number on file is GO41537.

What medical group is Dr. Frederick William Dieterich part of?

Dr. Dieterich is linked to Vista Community Clinic. Dmand AI links Dr. Dieterich to 1 more medical group.

Does Dr. Frederick William Dieterich accept Medicare?

Yes. CMS data shows Dr. Dieterich billed Medicare for 180 services in 2023, and Dr. Dieterich accepts Medicare assignment.

What is Dr. Frederick William Dieterich's MIPS score?

Dr. Dieterich's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

Is Dr. Frederick William Dieterich board certified?

Yes. Dr. Dieterich is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

What services does Dr. Frederick William Dieterich bill to Medicare?

In 2023, Dr. Dieterich's most billed Medicare services were office visit, established patient (99213), medicare service (G0101) and medicare temporary code (Q0091).

Show 5 more questionsShow fewer questions

Where did Dr. Frederick William Dieterich go to medical school?

Dr. Dieterich graduated from VCU School of Medicine in 1976.

What drugs does Dr. Frederick William Dieterich prescribe most?

In 2024 Medicare Part D data, Dr. Dieterich's most prescribed drugs by claims were Estradiol and Progesterone.

Has Dr. Frederick William Dieterich received payments from drug or device companies?

CMS Open Payments shows $5,523 in general payments to Dr. Dieterich from 26 companies from 2016 to 2025. The largest total came from Vertical Pharmaceuticals, LLC.

How long has Dr. Frederick William Dieterich been practicing?

Dr. Dieterich graduated from medical school in 1976, 50 years ago.

What insurance does Dr. Frederick William Dieterich accept?

Dr. Dieterich is in network with 16 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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